Addition/Subtraction Fact Families

Open Ended

Why do you think learning about addition and subtraction fact families is important in mathematics?

Open Ended

What are the four equations that can be made using the numbers 3, 5, and their sum in a fact family?

Multiple Choice

What is the sum of 10 and 8 in the fact family shown?

• 18

• 20

• 16

• 10

Multiple Choice

Which of the following numbers completes the equation 4 + 7 = ___ in the fact family?

• 11

• 10

• 12

• 9

Draw

Explain how you would use the numbers 6 and 3 to create all four equations in a fact family.

Multiple Select

Which of the following equations are part of the fact family for 12 + 8?

• 12 + 8 = 20

• 8 + 12 = 20

• 20 - 8 = 12

• 12 - 8 = 4

Fill in the Blank

In the fact family for 9 + 4, 13 - 9 = ___

Open Ended

15 - 10 = .

Multiple Select

Which of the following equations are part of the fact family for the numbers 20, 7, and 27?

• 20 + 7 = 27

• 27 - 7 = 20

• 7 + 20 = 27

• 27 + 7 = 20

Multiple Choice

What is the sum of 20 and 7 in the equation shown?

• 27

• 17

• 26

• 28

Open Ended

Explain how you can use the numbers 6 and 6 to create a fact family. What equations would you write?

Fill in the Blank

Fill in the blank: 7 + ___ = 12

Multiple Choice

What is the difference when you subtract 5 from 15?

• 10

• 20

• 5

• 12

Open Ended

How do the equations in a fact family help you understand the relationship between addition and subtraction? Use the numbers from any one of the slides to explain.

Multiple Choice

What is the missing number in the equation 9 - 6 = ___?

• 3

• 5

• 2

• 6

Multiple Choice

Which of the following equations is NOT part of the fact family for 3, 1, and 2?

• 3 - 1 = 2

• 2 + 1 = 3

• 3 + 1 = 2

• 3 - 2 = 1

Open Ended

Explain how you can use addition and subtraction to create a fact family for the numbers 20, 10, and 10.

Fill in the Blank

12 - 5 = ___

Multiple Select

Which of the following are true equations in the fact family for 6, 4, and 2?

• 6 - 4 = 2

• 2 + 4 = 6

• 6 + 4 = 2

• 6 - 2 = 4

Open Ended

Describe the relationship between subtraction and addition in a fact family, using the numbers 11, 1, and 10 as an example.

Open Ended

Explain how you can use addition and subtraction to create a fact family with the numbers 30, 10, and 20.

Multiple Select

Which of the following equations are part of the fact family for the numbers 30, 10, and 20?

• 30 - 10 = 20

• 20 + 10 = 30

• 10 - 20 = 30

• 30 + 10 = 20

Fill in the Blank

What is the missing number in the equation 30 - 10 = ___?

Fill in the Blank

The sum of 3 + 5 is ___.

Open Ended

What is one thing you learned about addition and subtraction fact families today?