Subtraction within 100: A Guide to Help Students Learn

Method:

Subtraction within 100 is a basic math skill that is important for students to learn. To help students learn this skill, it is important to provide them with practice and guidance. One way to do this is to provide students with examples of subtraction problems and then have them practice solving them. Additionally, it is helpful to create a table of 10 exercises for students to complete. Finally, providing students with multiple choice questions can help them to assess their understanding of the material.

Examples:

1. 45 – 23 =

2. 87 – 56 =

3. 78 – 34 =

4. 92 – 67 =

5. 65 – 23 =

Create a Table of 10 Exercises:

1. 45 – 15 =

2. 87 – 27 =

3. 78 – 18 =

4. 92 – 42 =

5. 65 – 25 =

6. 56 – 16 =

7. 73 – 33 =

8. 89 – 39 =

9. 64 – 14 =

10. 82 – 22 =

Answers:

1. 45 – 15 = 30

2. 87 – 27 = 60

3. 78 – 18 = 60

4. 92 – 42 = 50

5. 65 – 25 = 40

6. 56 – 16 = 40

7. 73 – 33 = 40

8. 89 – 39 = 50

9. 64 – 14 = 50

10. 82 – 22 = 60

5 Multiple Choice Questions:

1. What is the answer to the subtraction problem 87 – 56?

A. 43

B. 33

C. 31

D. 21

Answer: C. 31

2. What is the answer to the subtraction problem 65 – 23?

A. 42

B. 32

C. 22

D. 12

Answer: A. 42

3. What is the answer to the subtraction problem 78 – 34?

A. 44

B. 34

C. 24

D. 14

Answer: A. 44

4. What is the answer to the subtraction problem 92 – 67?

A. 25

B. 35

C. 45

D. 55

Answer: D. 55

5. What is the answer to the subtraction problem 56 – 16?

A. 36

B. 46

C. 56

D. 66

Answer: A. 36

Key:

1. C. 31

2. A. 42

3. A. 44

4. D. 55

5. A. 36

Conclusion:

Subtraction within 100 is an important math skill for students to learn. By providing students with examples, creating a table of 10 exercises, and providing multiple choice questions, students can gain a better understanding of this skill. With practice and guidance, students can become proficient in subtraction within 100.