Fact Families

Front

What is a fact family in mathematics?

Back

A fact family is a group of related addition and subtraction (or multiplication and division) facts that use the same numbers.

Tags

CCSS.4.NBT.B.6

Front

If 9 - 4 = 5, what is the related addition fact?

Back

5 + 4 = 9.

Tags

CCSS.2.NBT.B.5

Front

What numbers are in the fact family for 12, 7, and 5?

Back

The fact family includes the equations: 12 - 7 = 5, 7 + 5 = 12, 12 - 5 = 7, and 5 + 7 = 12.

Tags

CCSS.2.OA.B.2

CCSS.1.OA.C.6

Front

How do you find a missing number in a fact family?

Back

You can use the known numbers and the operations of addition or subtraction to find the missing number.

Tags

CCSS.4.OA.A.3

Front

What is the relationship between addition and subtraction in a fact family?

Back

Addition and subtraction are inverse operations; knowing one allows you to find the other.

Tags

CCSS.2.NBT.B.5

Front

If 4 + 7 = 11, what is the related subtraction fact?

Back

11 - 7 = 4 and 11 - 4 = 7.

Tags

CCSS.2.NBT.B.5

Front

What is the sum of 568 and 378?

Back

The sum of 568 and 378 is 946.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

How can you check your addition?

Back

You can check your addition by using subtraction; if the sum plus one of the addends equals the other addend, it is correct.

Tags

CCSS.2.OA.A.1

Front

What is the first step in solving an application-based question involving fact families?

Back

Identify the numbers involved and determine the operations needed (addition or subtraction).

Tags

CCSS.2.OA.A.1

Front

What is the addition fact related to 13 - 7?

Back

The addition fact is 7 + 6 = 13.

Tags

CCSS.2.NBT.B.5