Math Facts 20

Front

What is the sum of 3 and 2?

Back

5

Tags

CCSS.2.OA.C.3

Front

What is 9 minus 7?

Back

2

Tags

CCSS.1.OA.C.6

Front

What is 8 minus 6?

Back

2

Tags

CCSS.1.OA.C.6

Front

If 9 plus ? equals 18, what is the missing number?

Back

9

Tags

CCSS.1.OA.A.1

Front

What is 16 minus 8?

Back

8

Tags

CCSS.2.OA.A.1

Front

Define addition in mathematical terms.

Back

Addition is the process of calculating the total of two or more numbers or amounts.

Tags

CCSS.1.OA.A.1

Front

Define subtraction in mathematical terms.

Back

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

Front

What is the identity property of addition?

Back

The identity property of addition states that the sum of any number and zero is that number.

Tags

CCSS.1.OA.B.3

Front

What is the identity property of subtraction?

Back

The identity property of subtraction states that subtracting zero from any number leaves that number unchanged.

Tags

CCSS.1.OA.B.3

Front

What is the commutative property of addition?

Back

The commutative property of addition states that changing the order of the addends does not change the sum.

Tags

CCSS.1.OA.B.3