Fact Families

Front

What is a fact family?

Back

A fact family is a group of related math facts that use the same numbers. For example, the numbers 2, 3, and 5 can create the facts: 2 + 3 = 5, 3 + 2 = 5, 5 - 2 = 3, and 5 - 3 = 2.

Tags

CCSS.1.OA.A.1

Front

What does addition mean?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What does subtraction mean?

Back

Subtraction is the process of taking one number away from another.

Front

What is the sum of 9 and 10?

Back

The sum of 9 and 10 is 19.

Tags

CCSS.1.OA.A.1

Front

What is the difference when you subtract 10 from 19?

Back

The difference is 9.

Tags

CCSS.2.OA.A.1

Front

If 3 + ___ = 7, what is the missing number?

Back

The missing number is 4.

Tags

CCSS.1.OA.A.1

Front

Which equation completes this fact family? 9 + 10 = 19, 10 + 9 = 19, 19 - 9 = 10, ___ - ___ = ___

Back

19 - 10 = 9.

Front

What is the missing number in 14 - ___ = 7?

Back

The missing number is 7.

Tags

CCSS.1.OA.D.8

Front

What is the equation that goes with the fact family of 5, 10, and 15?

Back

5 + 10 = 15.

Tags

CCSS.2.OA.C.4

Front

Which equation has the same sum as 11 + 9 = 20?

Back

9 + 11 = 20.

Tags

CCSS.1.OA.B.3