Generate a collection of elementary math worksheet for addition and subtraction of 2 digits.
Elementary Math Worksheets: 2-Digit Addition and Subtraction
These worksheets provide practice with adding and subtracting two-digit numbers. Remember to show your work!
Worksheet 1: Addition
Instructions: Add the numbers in each problem.
- 23 + 15 = ______ 
- 48 + 31 = ______ 
- 16 + 52 = ______ 
- 67 + 22 = ______ 
- 35 + 44 = ______ 
- 59 + 20 = ______ 
- 71 + 18 = ______ 
- 84 + 15 = ______ 
- 29 + 60 = ______ 
- 45 + 35 = ______ 
Worksheet 2: Subtraction
Instructions: Subtract the numbers in each problem.
- 37 - 12 = ______ 
- 56 - 24 = ______ 
- 89 - 35 = ______ 
- 72 - 41 = ______ 
- 65 - 23 = ______ 
- 98 - 50 = ______ 
- 43 - 18 = ______ 
- 51 - 37 = ______ 
- 80 - 29 = ______ 
- 95 - 63 = ______ 
Worksheet 3: Mixed Addition and Subtraction
Instructions: Add or subtract the numbers in each problem.
- 42 + 27 = ______ 
- 68 - 33 = ______ 
- 19 + 51 = ______ 
- 75 - 24 = ______ 
- 36 + 43 = ______ 
- 91 - 60 = ______ 
- 25 + 55 = ______ 
- 82 - 47 = ______ 
- 58 + 31 = ______ 
- 70 - 19 = ______ 
Worksheet 4: Word Problems
Instructions: Solve the following word problems.
- Sarah has 24 stickers. Her friend gives her 35 more. How many stickers does Sarah have in total? 
- There are 58 birds on a tree. 26 birds fly away. How many birds are left on the tree? 
- A farmer has 45 apples and 23 oranges. How many fruits does the farmer have in total? 
- Maria had 71 candies. She ate 38 candies. How many candies are left? 
- A school bus has 32 students on it. At the next stop, 15 more students get on. How many students are on the bus now? 
Answer Key (Keep this separate from the worksheets):
Worksheet 1: 1. 38, 2. 79, 3. 68, 4. 89, 5. 79, 6. 79, 7. 89, 8. 99, 9. 89, 10. 80
Worksheet 2: 1. 25, 2. 32, 3. 54, 4. 31, 5. 42, 6. 48, 7. 25, 8. 14, 9. 51, 10. 32
Worksheet 3: 1. 69, 2. 35, 3. 70, 4. 51, 5. 79, 6. 31, 7. 80, 8. 35, 9. 89, 10. 51
Worksheet 4: 1. 59 stickers, 2. 32 birds, 3. 68 fruits, 4. 33 candies, 5. 47 students
Remember to adjust the difficulty as needed for your students. You can also create more worksheets using similar formats. Consider adding pictures or making it more visually appealing for younger students.
Develop a lesson plan for resolving this: Grade 11 at Pocahontas County High School reveals a significant reading comprehension deficit in Textual Reading Comprehension, notably in identifying the main idea/theme. circa 2004.
Lesson Plan: Identifying Main Idea/Theme (Grade 11, Remedial)
Context: Grade 11 students at Pocahontas County High School (2004) demonstrate a significant deficit in identifying the main idea/theme in textual reading comprehension.
Objective: Students will be able to identify the main idea and supporting details in a given text, and then formulate a concise thematic statement.
Duration: 5 days (45 minutes per day)
Materials:
- Various texts (excerpts from novels, short stories, articles – varying lengths and complexities, graded appropriately). 
- Whiteboard or projector. 
- Markers or pens. 
- Handouts with guiding questions (see below). 
- Graphic organizers (e.g., mind maps, flow charts). 
Day 1: Introduction to Main Idea & Supporting Details
- Activity 1 (15 mins): Brainstorming – What is a main idea? What are supporting details? Use examples from everyday life (e.g., a recipe, a news report). Establish a clear distinction. 
- Activity 2 (20 mins): Introduce a short, simple text. Model the process of identifying the main idea by: - Skimming for key words and phrases. 
- Identifying the topic (what the text is about). 
- Determining the author's overall point about the topic (the main idea). 
- Identifying supporting details that prove the main idea. 
 
- Activity 3 (10 mins): Guided practice with another short text. Students work in pairs, identifying main idea and supporting details. 
Day 2: Identifying Main Idea in More Complex Texts
- Activity 1 (20 mins): Introduce a slightly longer and more complex text. Review the strategies from Day 1. Emphasize active reading (annotating the text, underlining key phrases). 
- Activity 2 (20 mins): Students work individually, identifying the main idea and supporting details. Peer review and discussion. 
- Activity 3 (5 mins): Brief wrap-up and Q&A. 
Day 3: From Main Idea to Theme
- Activity 1 (15 mins): Introduce the concept of "theme" – the underlying message or big idea the author is trying to convey. Discuss how the main idea contributes to the overall theme. Examples using familiar stories (e.g., "The Tortoise and the Hare"). 
- Activity 2 (20 mins): Work with a text focusing on identifying the theme. Guide students to move from identifying the main idea to articulating a thematic statement (a concise sentence summarizing the theme). 
- Activity 3 (10 mins): Share and discuss students' thematic statements. 
Day 4: Applying Skills to Various Text Types
- Activity 1 (25 mins): Students work individually or in small groups with different texts (news article, short story excerpt, poem – varying in length and style). They identify the main idea and formulate a thematic statement for each text. 
- Activity 2 (20 mins): Class discussion: Comparing and contrasting the main ideas and themes identified. 
Day 5: Assessment and Review
- Activity 1 (30 mins): Assessment – Students work individually on a short passage to identify the main idea and theme. This could involve short-answer questions or essay-style writing. 
- Activity 2 (15 mins): Review key concepts and answer any remaining questions. 
Handout: Guiding Questions
For each text, consider these questions:
- What is the topic of the text? 
- What is the author's main point about this topic? (Main Idea) 
- What details support the main idea? 
- What is the underlying message or big idea the author is communicating? (Theme) 
- Can you state the theme in a single sentence? 
Differentiation:
- For struggling learners: Provide shorter texts, more scaffolding, and one-on-one support. Use simpler vocabulary. 
- For advanced learners: Provide more challenging texts and encourage deeper analysis of themes and author's techniques. 
Assessment: The final assessment will evaluate the student's ability to accurately identify the main idea and formulate a clear thematic statement. Observe student participation in class discussions and group work to gauge understanding.
Note: This lesson plan focuses on remedial instruction. Adapting the pace and complexity of materials is crucial based on the students' specific needs. Regular formative assessment throughout the week is vital to adjust instruction as needed. The 2004 context suggests a need for explicit instruction and targeted practice to build a foundational understanding of these critical reading skills.
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