Features

For an Ontario-based inquiry-based 60min Grade 4 Math lesson on the subject of subtraction:

Generated Lesson Plan:

Objective: Students will understand how to subtract two numbers.

Materials:-paper-pencils-whiteboard-markers

Duration: 60 minutes

Timeline:

- 5 minutes: Introduction (Teacher)- 10 minutes: Exploration (Group Activity)- 10 minutes: Discussion (Group Activity)- 10 minutes: Presentation (Teacher)- 10 minutes: Guided Practice (Group Activity)- 10 minutes: Independent Practice (Individual Activity)- 5 minutes: Conclusion (Teacher)

Introduction (5 minutes):

The teacher will introduce the lesson by asking the students what they already know about subtraction.

Exploration (10 minutes):

The teacher will divide the students into groups of 3-4 and provide each group with paper and pencils. The students will brainstorm different scenarios where subtraction can be used to solve a problem. Each group will also create their own subtraction story problem.

Discussion (10 minutes):

The teacher will ask each group to share their story problem and the group will discuss how they can use subtraction to solve their problem.

Presentation (10 minutes):

The teacher will write two equations on the whiteboard and use markers to demonstrate how to solve them. The students will observe the teacher’s process and ask questions if need be.

Guided Practice (10 minutes):

The teacher will divide the class into groups of 3-4 and provide each group with paper and pencils. Each group will be given a few equations to solve. The teacher will guide each group as they solve the equations.

Independent Practice (10 minutes):

The teacher will provide each student with paper and pencils and give them several equations to solve individually.

Conclusion (5 minutes):

The teacher will ask the students to summarize what they have learned and answer any questions the students have. The teacher will also review any remaining concepts.

Resources

Here are some resources that could be helpful for this lesson plan:

1. Math Antics: Subtraction - This video tutorial provides a clear explanation of subtraction with examples and practice problems. https://www.youtube.com/watch?v=bg9bIdc-AGg

2. Math Playground: Subtraction Games - This website offers various interactive subtraction games that could be used for independent practice. https://www.mathplayground.com/games/subtraction_games.html

3. IXL Learning: Grade 4 Subtraction Practice - This online practice resource offers a wide range of subtraction practice problems and quizzes that align with the Ontario curriculum. https://ca.ixl.com/math/grade-4/subtraction

4. Ontario Ministry of Education: Mathematics Curriculum - This document outlines the Ontario curriculum expectations for mathematics in Grade 4, including the expectations for subtraction. https://www.edu.gov.on.ca/eng/curriculum/elementary/math18curr.pdf

5. Prodigy Math: Subtraction Practice - This online game-based learning platform offers interactive subtraction practice problems for students. https://www.prodigygame.com/main-en/math-games/subtraction-games/

Presentation

Slide 1: Title slide - "Subtraction: Understanding How to Subtract Two Numbers"

Slide 2: Objective slide - "Objective: Students will understand how to subtract two numbers."

Slide 3: Introduction slide - "What is subtraction?" and "What do you already know about subtraction?"

Slide 4: Exploration slide - "Brainstorm scenarios where subtraction can be used to solve a problem." and "Create your own subtraction story problem."

Slide 5: Discussion slide - "Share your story problem with the group." and "Discuss how subtraction can be used to solve the problem."

Slide 6: Presentation slide - "Demonstration of how to solve subtraction equations."

Slide 7: Guided Practice slide - "Work in groups to solve subtraction equations with teacher guidance."

Slide 8: Independent Practice slide - "Individual practice with subtraction equations."

Slide 9: Conclusion slide - "Summary of what we learned today." and "Any remaining questions or concepts to review."

Slide 10: Credits slide - "Thank you for learning about subtraction today!" and "Image sources (if applicable)."

Worksheet

Worksheet on Subtraction for Grade 4:

Name: _________________________ Date: ________________

1. What is subtraction?

2. What is the difference between subtraction and addition?

3. Provide an example of a scenario where subtraction can be used to solve a problem.

4. Create your own subtraction story problem.

5. Solve the following equation: 12 - 5 = _____

6. Solve the following equation: 27 - 10 = _____

7. Solve the following equation: 63 - 24 = _____

8. Solve the following equation: 81 - 45 = _____

9. Can subtraction be used to find the total number of items in a group? Why or why not?

10. Why is it important to understand subtraction in everyday life?

11. Look at the following equation: 35 - 18 = ____. Circle the number that is being subtracted.

12. Look at the following equation: 42 - 20 = ____. Circle the number that is the difference.

13. Look at the following equation: 54 - 29 = ____. Circle the number that is the minuend.

14. Look at the following equation: 72 - 37 = ____. Circle the number that is the subtrahend.

15. Solve the following equation: 55 - 32 = _____. Show your work.

16. Solve the following equation: 99 - 51 = _____. Show your work.

17. Solve the following equation: 68 - 23 = _____. Show your work.

18. Solve the following equation: 87 - 61 = _____. Show your work.

19. Check your work from questions 5-18 using addition.

20. How can you check your subtraction work using addition?

Bonus: Write a word problem that involves subtraction and solve it.

Quiz

Quiz on Subtraction for Grade 4:

1. What is subtraction?

2. What is the difference between subtraction and addition?

3. Provide an example of a scenario where subtraction can be used to solve a problem.

4. Create your own subtraction story problem.

5. Solve the following equation: 15 - 7 = ?

6. Solve the following equation: 23 - 9 = ?

7. Solve the following equation: 52 - 18 = ?

8. Solve the following equation: 78 - 42 = ?

9. Can subtraction be used to find the total number of items in a group? Why or why not?

10. Why is it important to understand subtraction in everyday life?

Answers:

1. Subtraction is a mathematical operation that involves taking away a number from another number.

2. Addition involves adding numbers together to find the total, while subtraction involves taking numbers away to find the difference.

3. Example answer: Subtraction can be used to find the change when buying something.

4. Example answer: If Sally has 10 apples and gives 3 to her friend, how many apples does Sally have left?

5. Answer: 8

6. Answer: 14

7. Answer: 34

8. Answer: 36

9. No, subtraction cannot be used to find the total number of items in a group because it involves taking away numbers, not adding them together.

10. It is important to understand subtraction in everyday life because it helps with tasks such as budgeting, calculating change, and measuring differences.

Classroom Management Tip

To keep students engaged and on-task during the independent practice section, the teacher can implement a "silent signals" system. This involves having students hold up a specific signal or hand gesture if they need help, such as a thumbs-down sign, while also reminding them to remain silent to not disrupt their peers. This allows the teacher to quickly assess which students need assistance without interrupting the others who are still working. Additionally, the teacher can circulate the room during this time to provide individualized support and guidance to struggling students.

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