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WV CSO Bank For CSOs in a Minute

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M.O.3.1.1read, write, order, and compare numbers to 10,000 using a variety of strategies (e.g., symbols, manipulatives, number line).
M.O.3.1.2read, write, order, and compare decimals to hundredths, with manipulatives.
M.O.3.1.3identify place value of each digit utilizing standard and expanded form to 10,000.
M.O.3.1.4apply estimation skills (rounding, benchmarks, compatible numbers) to solve and evaluate reasonableness of an answer.
M.O.3.1.5demonstrate an understanding of fractions as part of a whole/one and as part of a set/group using models and pictorial representations.
M.O.3.1.6create concrete models and pictorial representations to ò compare and order fractions with like and unlike denominators, ò add and subtract fractions with like denominators, and verify results.
M.O.3.1.7use concrete models and pictorial representations to demonstrate an understanding of equivalent fractions, proper and improper fractions, and mixed numbers.
M.O.3.1.8add and subtract 2- and 3-digit whole numbers and money with and without regrouping.
M.O.3.1.9demonstrate and model multiplication (repeated addition, arrays) and division (repeated subtraction, partitioning).
M.O.3.1.10use and explain the operations of multiplication and division including the properties (e.g., identity element of multiplication, commutative property, property of zero, associative property, inverse operations).
M.O.3.1.11recall basic multiplication facts and the corresponding division facts.
M.O.3.1.12model the distributive property in multiplication of 2- and 3-digit numbers by a 1-digit number.
M.O.3.1.13use models to demonstrate division of 2- and 3-digit numbers by a 1-digit number.
M.O.3.1.14create grade-appropriate real-world problems involving any of the four operations using multiple strategies, explain the reasoning used, and justify the procedures selected when presenting solutions.
M.O.3.2.1analyze and extend geometric and numeric patterns.
M.O.3.2.2create an input/output model using addition, subtraction, multiplication or division.
M.O.3.2.3analyze a given pattern and write the rule.
M.O.3.2.4write equivalent numerical expressions and justify equivalency.
M.O.3.2.5use symbol and letter variables to represent an unknown quantity and determine the value of the variable.
M.O.3.3.1identify and create new polygons by transforming, combining and decomposing polygons.
M.O.3.3.2identify, describe, and classify the following geometric solids according to the number of faces, edges, and vertices: ò cube ò rectangular solid ò cylinder ò cone ò pyramid
M.O.3.3.3construct and identify a solid figure from a plane drawing.
M.O.3.3.4identify, describe and draw lines of symmetry in two-dimensional shapes.
M.O.3.3.5model, describe, and draw ò lines ò rays ò angles including right, obtuse, and acute angles.
M.O.3.3.6draw an example of a flip, slide and turn (reflection, translation, and rotation) given a model.
M.O.3.3.7name the location of a point on a first-quadrant grid, represent using ordered pairs.
M.O.3.4.1Within a project based investigation, identify a real life situation, consider a number of variables and use appropriate measurement tools, overtime, make a hypothesis as to the change overtime; with more precision than whole units; ò
M.O.3.4.2estimate and find the perimeter and area of familiar geometric shapes, using manipulatives, grids, or appropriate measuring tools.
M.O.3.4.3determine the formula the area of a rectangle and explain reasoning through modeling.
M.O.3.4.4read time to 5-minute intervals (am and pm) using analog and digital clocks, compute elapsed time to the quarter-hour using a clock.
M.O.3.4.5identify, count and organize coins and bills to display a variety of price values from real-life examples with a total value of $100 or less and model making change using manipulatives.
M.O.3.5.1collect and organize grade-appropriate real-world data from observation, surveys, and experiments, and identify and construct appropriate ways to display data.
M.O.3.5.2develop and conduct grade-appropriate experiments using concrete objects (e.g. counters, number cubes, spinners) to determine the likeliness of events and list all outcomes.
M.O.3.5.3analyze real-world data represented on a graph using grade-appropriate questions.
M.O.4.1.1read, write, order, and compare whole numbers to the millions place and decimals to thousandths place using a variety of strategies (e.g. symbols, manipulatives, number line, pictorial representations).
M.O.4.1.2demonstrate an understanding of the place value of each digit utilizing standard and expanded form through 1,000,000 with multiples of 10 [(5 X 10,000) + (3 X 1,000) + (4 X 10) + 2].
M.O.4.1.3estimate solutions to problems including rounding, benchmarks, compatible numbers and evaluate the reasonableness of the solution, justify results.
M.O.4.1.4using concrete models, benchmark fractions, number line ò compare and order fractions with like and unlike denominators ò add and subtract fractions with like and unlike denominators ò model equivalent fractions ò model addition and su
M.O.4.1.5analyze the relationship of fractions to decimals using concrete objects and pictorial representations.
M.O.4.1.6round decimals to the nearest whole, 10th, or 100th place.
M.O.4.1.7add and subtract whole numbers(up to five ûdigit number) and decimals to the 1000th place, multiply (up to three digits by two-digits, and divide(up to a three digit number with a one and two-digit number) .
M.O.4.1.8solve multi-digit whole number multiplication problems using a variety of strategies, including the standard algorithm, justify methods used.
M.O.4.1.9quick recall of basic multiplication facts and corresponding division facts.
M.O.4.1.10create grade-level real-world appropriate story problems using multiple strategies including simple ratios, justify the reason for choosing a particular strategy and present results.
M.O.4.2.1determine the rule and explain how change in one variable relates to the change in the second variable, given an input/output model using two operations.
M.O.4.2.2recognize and describe relationships in which quantities change proportionally.
M.O.4.2.3represent the idea of a variable as an unknown quantity using a letter, write an expression using a variable to describe a real-world situation.
M.O.4.2.4solve real-world problems involving order of operations including grouping symbols and the four operations.
M.O.4.3.1identify, classify, compare and contrast two-dimensional (including quadrilateral shapes) and three-dimensional geometric figures according to attributes.
M.O.4.3.2recognize and describe three-dimensional objects from different perspectives.
M.O.4.3.3identify, draw, label, compare and contrast, and classify ò lines (intersecting, parallel, and perpendicular) ò angles (acute, right, obtuse, and straight)
M.O.4.3.4identify and create a two-dimensional design with one line of symmetry.
M.O.4.3.5graph/plot ordered pairs on a first-quadrant grid and use the coordinate system to specify location and describe path.
M.O.4.3.6draw and identify parts of a circle: center point, diameter, and radius.
M.O.4.3.7select, analyze and justify appropriate use of transformations (translations, rotations, flips) to solve geometric problems including congruency and tiling (tessellations).
M.O.4.4.1select appropriate measuring tools, apply and convert standard units within a system to estimate, measure, compare and order real-world measurements including: ò lengths using customary (to the nearest one-fourth inch) and metric units
M.O.4.4.2Quantify area by finding the total number of same sized units that cover a shape, develop a rule and justify the formula for the area of a rectangle using the area model representing multiplication.
M.O.4.4.3read time to the minute, calculate elapsed time in hours/minutes within a 24-hour period.
M.O.4.4.4given real-world situations, count coins and bills and determine correct change.
M.O.4.5.1read and interpret information represented on a circle graph.
M.O.4.5.2pose a grade-appropriate question that can be addressed with data, collect, organize, display, and analyze data in order to answer the question.
M.O.4.5.3design and conduct a simple probability experiment using concrete objects, examine and list all possible combinations using a tree diagram, represent the outcomes as a ratio and present the results.
M.O.4.5.4solve real world problems using mean, median and mode.
M.O.5.1.1read, write, order and compare all whole numbers, fractions, mixed numbers and decimals using multiple strategies (e.g., symbols, manipulatives, number line).
M.O.5.1.2demonstrate an understanding of place value of each digit utilizing standard and expanded form in any whole number using powers of 10 [(3 X 105) + (4 X 103) + 7 X 102) + (1 X 101) + 6].
M.O.5.1.3estimate solutions to problems involving whole numbers, decimals, fractions, and percents to determine reasonableness using benchmarks.
M.O.5.1.4use inductive reasoning to identify the divisibility rules of 2, 3, 5, 9 and 10 and apply the rules to solve application problems.
M.O.5.1.5determine and apply greatest common factor and lowest common multiple to write equivalent fractions and to real-world problem situations.
M.O.5.1.6model and write equivalencies of fractions decimals, percents, and ratios.
M.O.5.1.7analyze and solve application problems and justify reasonableness of solution in problems involving addition and subtraction of: ò fractions and mixed numbers ò decimals.
M.O.5.1.8apply the distributive property as it relates to multiplication over addition.
M.O.5.1.9solve multi-digit whole number division problems using a variety of strategies, including the standard algorithm and justify the solutions.
M.O.5.1.10demonstrate fluency in addition, subtraction, multiplication and division of whole numbers.
M.O.5.1.11solve real-world problems involving whole numbers, decimals and fractions using multiple strategies and justify the reasonableness by estimation.
M.O.5.2.1use inductive reasoning to find missing elements in a variety of patterns (e.g., square numbers, arithmetic sequences).
M.O.5.2.2given an input/output model using two operations, determine the rule, output or input.
M.O.5.2.3solve simple equations and inequalities using patterns and models of real-world situations, create graphs on number lines of the equations and interpret the results.
M.O.5.2.4model identify and describe square, prime and composite numbers.
M.O.5.3.1classify and compare triangles by sides and angles; measure the angles of a triangle using a protractor.
M.O.5.3.2construct and analyze three-dimensional shapes using properties (i.e. edges, faces or vertices).
M.O.5.3.3create a design with more than one line of symmetry.
M.O.5.3.4construct a circle with a given radius or diameter.
M.O.5.3.5draw a similar figure using a scale, given a real-world situation.
M.O.5.4.1estimate, measure, compare, order and draw lengths of real objects in parts of an inch up to 1/8 of an inch and millimeters.
M.O.5.4.2model, calculate and compare area of triangles and parallelograms using multiples strategies (including, but not limited to, formulas).
M.O.5.4.3develop strategies (i.e. finding number of same sized units of volume)to determine the volume of a rectangular prism; solve application problems involving estimating or measuring volume of rectangular prisms.
M.O.5.4.4describe the effects on the measurements of a two-dimensional shape (such as its perimeter and area) when the shape is changed in some way, justify changes.
M.O.5.4.5solve real-world problems requiring conversions within a system of measurement.
M.O.5.4.6estimate and/or measure the weight/mass of real objects in ounces, pounds, grams, and kilograms.
M.O.5.4.7collect, record, estimate and calculate elapsed times from real-world situations (with and without technology)
M.O.5.4.8determine the actual measurements of a figure from a scale drawing, using multiple
M.O.5.5.1construct a sample space and make a hypothesis as to the probability of a real life situation overtime, test the prediction with experimentation, and present conclusions (with and without technology).
M.O.5.5.2construct, read, and interpret tables, charts, and graphs including stem and leaf plots to draw reasonable inferences or verify predictions.
M.O.5.5.3collect and organize real-world data to construct a circle graph (with and without technology), present data and draw conclusions.
M.O.5.5.4collect and analyze data using mean, median and mode to determine the best statistical measure.
M.O.6.1.1demonstrate an understanding of large numbers by converting and comparing numbers in scientific notation and standard notation (with and without technology).
M.O.6.1.2determine the greatest common factor and least common multiple using multiple strategies to solve real-world problems; find prime factorization of a number.
M.O.6.1.3compare and order integers using multiple strategies (e.g., symbols, manipulatives, number line).
M.O.6.1.4analyze and solve real-world problems involving addition, subtraction , multiplication and division of ò whole numbers, ò fractions, mixed numbers, ò decimals, ò integers, and justify the reasonableness by estimation.
M.O.6.1.5apply the distributive, commutative, associative and identity properties to numeric expressions and use to prove equivalency.
M.O.6.1.6convert between fractions/ratios, mixed numbers, decimals and percents in appropriate real-world problems.
M.O.6.1.7compute the percent of a number to solve application problems and justify the reasonableness by estimation.
M.O.6.1.8demonstrate an understanding of the effect of multiplying and dividing, whole numbers, fractions and decimals by numbers including 0, 1 and values between 0 and 1.
M.O.6.1.9develop and test hypotheses to derive the rules for addition, subtraction, multiplication and division of integers, justify by using real-world examples and use them to solve problems.
M.O.6.2.1simplify numerical expressions and evaluate algebraic expressions using order of operations.
M.O.6.2.2use inductive reasoning to extend patterns to predict the nth term (e.g., powers and triangular numbers).
M.O.6.2.3create algebraic expressions that correspond to real-world situations; use the expressions to solve problems.
M.O.6.2.4determine the rule, output or input; given an input/output model using one operation, write an algebraic expression for the rule and use to identify other input/output values.
M.O.6.2.5solve real-world proportion problems involving rates, probability and measurements using multiple strategies, justify selection of strategies.
M.O.6.2.6write and solve one-step equations using number sense, properties of operations and the idea of maintaining equality to represent and solve real-world problems.
M.O.6.3.1analyze characteristics using defining properties of ò lines, ò angles, ò polygons, ò triangles, and compare these geometric figures.
M.O.6.3.2use inductive reasoning with the measures of interior angles in polygons and derive the formula to determine the sum of the measures of the interior angles.
M.O.6.3.3apply the concepts of parallel, perpendicular, intersecting, and skew lines to real-world situations (i.e. roads and routes).
M.O.6.3.4create designs using line and rotational symmetry.
M.O.6.3.5predict, describe, and perform transformations on two-dimensional shapes ò translations ò rotations ò reflections
M.O.6.3.6use geometric representations to solve real-world problems.
M.O.6.3.7plot polygons on coordinate grids, determine lengths and areas from the graph.
M.O.6.4.1determine an approximation for pi using actual measurements.
M.O.6.4.2develop and test hypotheses to determine formulas for ò perimeter of polygons, including composite figures ò area of parallelograms ò area of triangles ò area of composite figures made of parallelograms and triangles ò circumference of
M.O.6.4.3investigate, model and describe surface area of rectangular prisms and cylinders; develop strategies to determine the surface area of rectangular prisms
M.O.6.4.4develop strategies to determine volume of cylinders; solve real-world problems involving volume of cylinders, justify the results.
M.O.6.4.5given a two-dimensional polygon, construct a scale drawing given the scale factor.
M.O.6.5.1collect, organize, display, read, interpret and analyze real-world data using appropriate graphs and tables (with and without technology).
M.O.6.5.2identify a real life situation using statistical measures (mean, median, mode, range, outliers) overtime, make a hypothesis as to the outcome; design and implement a method to collect, organize and analyze data; analyze the results to
M.O.6.5.3perform simple probability events using manipulatives; predict the outcome given events using experimental and theoretical probability; express experimental and theoretical probability as a ratio, decimal or percent.
M.O.6.5.4determine combinations and permutations of given real-world situations by multiple strategies, including creating lists.
M.O.7.1.1compare, order, and differentiate among integers, decimals, fractions, and irrational numbers using multiple representations (e.g., symbols, manipulatives, graphing on a number line).
M.O.7.1.2model the relationship between perfect squares and square roots using physical representations; estimate square root and evaluate using technology.
M.O.7.1.3using simple computation and problem-solving situations, demonstrate fluency and justify solutions in performing operations with rational numbers including negative numbers for ò adding ò subtracting ò multiplying ò dividing
M.O.7.1.4justify the use of the commutative, associative, distributive, identity and inverse properties to simplify numeric expressions.
M.O.7.1.5analyze and solve grade-appropriate real-world problems with whole numbers, integers, decimals, fractions and percents including problems involving ò discounts, ò interest, ò taxes, ò tips, ò percent increase or decrease, and justify s
M.O.7.1.6use inductive reasoning to find and justify the laws of exponents with numeric bases
M.O.7.1.7solve problems using numbers in scientific notation (positive and negative exponents) with and without technology, and interpret from real life contexts.
M.O.7.2.1use inductive reasoning to find missing elements in a variety of arithmetic and geometric patterns including algebraic sequences and series.
M.O.7.2.2evaluate algebraic expressions with whole numbers, integers, absolute value and exponents using the order of operations.
M.O.7.2.3solve problems by creating an input/output function table(including, but not limited to, spreadsheets) to predict future values, given a real-world situation involving rational numbers.
M.O.7.2.4analyze proportional relationships in real-world situations, select an appropriate method to determine the solution and justify reasoning for choice of method to solve.
M.O.7.2.5solve one-step linear equations and inequalities using a variety of strategies containing rational numbers with integer solutions; graph solutions, and justify the selection of the strategy and the reasonableness of the solution.
M.O.7.2.6plot lines within the Cartesian coordinate plane from a table of values to solve mathematical real-world problems.
M.O.7.2.7determine the slope of a line from its graphical representation.
M.O.7.2.8represent algebraically and solve real-world application problems and justify solutions.
M.O.7.2.9identify a real life problem involving proportionality; make a hypothesis as to the outcome; develop, justify, and implement a method to collect, organize, and analyze data; generalize the results to make a conclusion; compare the hypo
M.O.7.3.1identify and construct ò angle-pairs adjacent, complementary, supplementary, vertical ò congruent segments and angles ò perpendicular bisectors of segments ò angle-bisectors
M.O.7.3.2apply line symmetry to classify plane figures.
M.O.7.3.3apply rotations, reflections, translations to plane figures and determine the coordinates of its transformation and compare and contrast the new figure with the original.
M.O.7.3.4pose and solve ratio and proportion problems including scale drawings and similar polygons.
M.O.7.3.5solve problems and explain the relationships among scale factor and area and volume including
M.O.7.3.6solve mathematical real-world problems using compound geometric figures.
M.O.7.4.1select and apply an appropriate method to solve (including, but not limited to, formulas) justify the method and the reasonableness of the solution, given a real-world problem solving situation involving ò perimeter ò circumference ò a
M.O.7.4.2use the Pythagorean Theorem to find the length of any side of a right triangle and apply to problem solving situations.
M.O.7.4.3convert units of measurement, linear, area and volume, within customary and metric systems.
M.O.7.5.1determine theoretical probability of an event, make and test predictions through experimentation.
M.O.7.5.2determine combinations and permutations by constructing sample spaces (e.g., listing, tree diagrams, frequency distribution tables).
M.O.7.5.3collect, organize, graphically represent, and interpret data displays including frequency distributions, line-plots, scatter plots, box and whiskers, and multiple-line graphs..
M.O.7.5.4analyze and solve application problems involving measures of central tendency (mean, median, mode) and dispersion (range) from data, graphs, tables, and experiments using appropriate technology to compare two sets of data
M.O.8.1.1analyze, describe and compare the characteristics of rational and irrational numbers.
M.O.8.1.2analyze and solve application problems with ò powers, ò squares, ò square roots, ò scientific notation, and verify solutions using estimation techniques.
M.O.8.1.3analyze and solve grade-appropriate real-world problems with ò whole numbers, ò decimals, ò fractions, ò percents, percent increase and decrease, ò integers, and including, but not limited to, rates, tips, discounts, sales tax and inte
M.O.8.2.1use a variety of strategies to solve one and two-step linear equations and inequalities with rational solutions; defend the selection of the strategy; graph the solutions and justify the reasonableness of the solution.
M.O.8.2.2identify proportional relationships in real-world situations, then find and select an appropriate method to determine the solution; justify the reasonableness of the solution.
M.O.8.2.3add and subtract polynomials limited to two variables and positive exponents.
M.O.8.2.4use systems of linear equations to analyze situations and solve problems.
M.O.8.2.5apply inductive and deductive reasoning to write a rule from data in an input/output table, analyze the table and the rule to determine if a functional relationship exists.
M.O.8.2.6graph linear equations and inequalities within the Cartesian coordinate plane by generating a table of values (with and without technology).
M.O.8.2.7formulate and apply a rule to generate an arithmetic, geometric and algebraic pattern.
M.O.8.2.8determine the slope of a line using a variety of methods including ò graphing ò change in y over change in x ò equation
M.O.8.2.9represent and solve real-world grade-appropriate problems using multiple strategies and justify solutions.
M.O.8.2.10identify a real life problem involving change over time; make a hypothesis as to the outcome; develop, justify, and implement a method to collect, organize, and analyze data; generalize the results to make a conclusion; compare the hyp
M.O.8.3.1justify the relationships among corresponding, alternate interior, alternate exterior and vertical angles when parallel lines are cut by a transversal using models, pencil/paper, graphing calculator, and technology.
M.O.8.3.2classify polyhedrons according to the number and shape of faces; use inductive reasoning to determine the relationship between vertices, faces and edges (edges + 2 = faces + vertices).
M.O.8.3.3identify, apply, and construct perpendicular and angle bisectors with and without technology ) given a real-world situation,.
M.O.8.3.4create geometric patterns including tiling, art design, tessellations and scaling using transformations (rotations, reflections, translations) and predict results of combining, subdividing, and changing shapes of plane figures and soli
M.O.8.3.5create scale models of similar figures using ratio, proportion with pencil/paper and technology and determine scale factor.
M.O.8.3.6make and test a conjecture concerning ò regular polygons, ò the cross section of a solid such as a cylinder, cone, and pyramid, ò the intersection of two or more geometric figures in the plane (e.g., intersection of a circle and a line
M.O.8.4.1select and apply an appropriate method to solve; justify the method and the reasonableness of the solution of problems involving volume of ò prisms ò cylinders ò cones ò pyramids ò spheres given real-world problem solving situations.
M.O.8.4.2solve problems involving missing measurements in plane and solid geometric figures using formulas and drawings including irregular figures, models or definitions.
M.O.8.4.3solve right triangle problems where the existence of triangles is not obvious using the Pythagorean Theorem and indirect measurement in real-world problem solving situations.
M.O.8.5.1determine and explain whether a real-world situation involves permutations or combinations, then use appropriate technology to solve the problem.
M.O.8.5.2compare the experimental and theoretical probability of a given situation (including compound probability of a dependent and independent event).
M.O.8.5.3create and extrapolate information from multiple-bar graphs, box and whisker plots, and other data displays using appropriate technology.
M.O.8.5.4analyze problem situations, games of chance, and consumer applications using random and non-random samplings to determine probability, make predictions, and identify sources of bias.
M.O.8.5.5draw inferences, make conjectures and construct convincing arguments involving ò different effects that changes in data values have on measures of central tendency ò misuses of statistical or numeric information, based on data analysis
M.O.A1M.O.A1.2.2
M.O.A1.2.4develop and test hypotheses to derive the laws of exponents and use them to perform operations on expressions with integral exponents.
M.O.A1.2.5analyze a given set of data and prove the existence of a pattern numerically, algebraically and graphically, write equations from the patterns and make inferences and predictions based on observing the pattern.
M.O.A1.2.7analyze situations and solve problems by determining the equation of a line given a graph of a line, two points on the line, the slope and a point, or the slope and y intercept.
M.O.A1.2.8Identify a real life situation that involves a constant rate of change; pose a question; make a hypothesis as to the answer; develop, justify and implement a method to collect, organize, and analyze related data; extend the nature of c
M.O.A1.2.9create and solve systems of linear equations graphically and numerically using the elimination method and the substitution method, given a real-world situation.
M.O.A1.2.10simplify and evaluate algebraic expressions ò add and subtract polynomials ò multiply and divide binomials by binomials or monomials
M.O.A1.2.13simplify radical expressions ò through adding, subtracting, multiplying and dividing ò exact and approximate forms
M.O.A1.2.14solve quadratic equations by ò graphing (with and without technology), ò factoring ò quadratic formula and draw reasonable conclusions about a situation being modeled.
M.O.A1.2.16simplify and evaluate rational expressions ò add, subtract, multiply and divide ò determine when an expression is undefined.
M.O.A1.2.19gather data to create histograms, box plots, scatter plots and normal distribution curves and use them to draw and support conclusions about the data.
M.O.A1.2.20design experiments to model and solve problems using the concepts of sample space and probability distribution.
M.O.A2M.O.A2.2.2
M.O.A2.2.3define complex numbers, simplify powers of äi?, perform basic operations with complex numbers, and give answers as complex numbers in simplest form.
M.O.A2.2.4simplify expressions involving radicals and fractional exponents, convert between the two forms, and solve equations containing radicals and exponents.
M.O.A2.2.5solve quadratic equations over the set of complex numbers: apply the techniques of factoring, completing the square, and the quadratic formula; use the discriminate to determine the number and nature of the roots; identify the maxima a
M.O.A2.2.7define a function and find its zeros; express the domain and range using interval notation; find the inverse of a function; find the value of a function for a given element in its domain; and perform basic operations on functions inclu
M.O.A2.2.8analyze families of functions and their transformations; recognize linear, quadratic, radical, absolute value, step, piece-wise, and exponential functions; analyze connections among words, graphs, tables and equations when solving prac
M.O.A2.2.13solve absolute value inequalities graphically, numerically and algebraically and express the solution set in interval notation.
M.O.G.3.2differentiate and apply inductive and deductive reasoning, justify conclusions in real-world settings.
M.O.G.3.4validate conclusions by constructing logical arguments using both formal and informal methods with direct and indirect reasoning.
M.O.G.3.5construct formal and informal proofs by applying definitions, theorems, and postulates related to such topics as ò complementary, ò supplementary, ò vertical angles, ò angles formed by perpendicular lines, and justify the steps.
M.O.G.3.6compare and contrast the relationships between angles formed by two lines cut by a transversal when lines are parallel and when they are not parallel, and use the results to develop concepts that will justify parallelism.
M.O.G.3.7make conjectures and justify congruence relationships with an emphasis on triangles and employ these relationships to solve problems.
M.O.G.3.8identify general properties of and compare and contrast the properties of convex and concave quadrilaterals ò parallelograms ò rectangles ò rhombuses ò squares ò trapezoids
M.O.G.3.9Identify a real life situation that involves similarity in two or three dimensions; pose a question; make a hypothesis as to the answer; develop, justify, and implement a method to collect, organize, and analyze related data; generaliz
M.O.G.3.10investigate measures of angles and lengths of segments to determine the existence of a triangle (triangle inequality) and to establish the relationship between the measures of the angles and the length of the sides (with and without te
M.O.G.3.11verify and justify the basis for the trigonometric ratios by applying properties of similar triangles and use the results to find inaccessible heights and distances. Using the ratios of similar triangles to find unknown side lengths an
M.O.G.3.12apply the Pythagorean Theorem and its converse to solve real-world problems and derive the special right triangle relationships (i.e. 30-60-90, 45-45-90).
M.O.G.3.13investigate measures of angles formed by chords, tangents, and secants of a circle and draw conclusions for the relationship to its arcs.
M.O.G.3.14find angle measures of interior and exterior angles; given a polygon, find the length of sides from given data; and use properties of regular polygons to find any unknown measurements of sides or angles.
M.O.G.3.15develop properties of tessellating figures and use those properties to tessellate the plane.
M.O.G.3.16derive and justify formulas for area, perimeter, surface area, and volume using nets and apply them to solve real-world problems.
M.O.G.3.17apply concepts of analytical geometry such as formulas for distance, slope, and midpoint and apply these to finding dimensions of polygons on the coordinate plane.
M.O.G.3.18construct a triangle?s medians, altitudes, angle and perpendicular bisectors using various methods; and develop logical concepts about their relationships to be used in solving real-world problems.
M.O.G.3.19create and apply concepts using transformational geometry and laws of symmetry, of a ò reflection, ò translation, ò rotation, ò glide reflection, ò dilation of a figure, and develop logical arguments for congruency and similarity.
M.O.T.3.1apply the right triangle definition of the six trigonometric functions of an angle to determine the values of the function values of an angle in standard position given a point on the terminal side of the angle.

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Roster of the Underwood School, 1916

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