**Lesson Plan: Addition and Subtraction Facts for 1st Grade**
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**Lesson Title:** Addition and Subtraction Facts
**Grade Level:** 1st Grade
**Subject:** Mathematics
**Duration:** 1 hour
**Objective:**
Students will be able to:
1. Understand and solve addition problems up to 10.
2. Understand and solve subtraction problems up to 10.
3. Recognize and use addition and subtraction facts efficiently.
**Materials Needed:**
- Whiteboard and markers
- Number cards or flashcards (0-10)
- Counters (e.g., small blocks, beads)
- Addition and subtraction worksheets
- Interactive math games (optional, if technology is available)
**Common Core Standards Addressed:**
- 1.OA.C.6: Add and subtract within 20, demonstrating fluency for addition and subtraction within 10.
**Lesson Outline:**
1. **Introduction (10 minutes)**
- Greet the students and introduce the topic.
- Ask students if they know what addition and subtraction are.
- Explain that today we will practice addition and subtraction facts up to 10.
2. **Direct Instruction (15 minutes)**
- Demonstrate simple addition on the whiteboard using visual aids.
For example: 2 + 3 = 5. Use counters or draw pictures to visualize the addition.
- Show the relation of addition to subtraction. For example, from 2 + 3 = 5, introduce 5 - 3 = 2.
- Use number cards to create different addition and subtraction problems and solve them with the class.
3. **Guided Practice (15 minutes)**
- Hand out counters and have students perform a few addition and subtraction problems at their desks, using the counters to help visualize the problems.
- Walk around the room to assist and ensure that students understand the process.
- Write a few problems on the board and solve them together as a class.
4. **Independent Practice (10 minutes)**
- Distribute worksheets with addition and subtraction problems (up to 10).
- Allow students to work independently to complete the worksheet.
- Encourage students to use the counters if they need help.
5. **Interactive Activity (Optional, 10 minutes)**
- If you have access to technology, use interactive math games that focus on addition and subtraction facts. Websites like ABCmouse or Starfall have suitable games.
- If no technology is available, play a game such as "Addition Bingo" where students solve addition problems to match numbers on their bingo cards.
6. **Review and Closing (10 minutes)**
- Review the key concepts with the students.
- Ask a few students to come up to the board to solve a problem and explain their thinking.
- Praise the students for their efforts and recap what was learned today.
**Assessment:**
- Observation during guided and independent practice.
- Review of completed worksheets to check for accuracy.
- Participation in interactive activities or games.
**Homework:**
- Provide a simple worksheet with addition and subtraction problems for further practice at home.
- Encourage parents to review the worksheet with their child to reinforce skills learned in class.
**Extension Activities:**
- For students who grasp the concept quickly, introduce word problems that require addition and subtraction.
- For students needing additional support, provide more concrete examples and additional practice with counters or visual aids.
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This lesson plan is designed to engage 1st-grade students actively while reinforcing their understanding of basic addition and subtraction facts.