Addition and Subtraction within 20

Front

2 + 8 = ?

Back

10

Tags

CCSS.2.OA.B.2

CCSS.1.OA.C.6

Front

11 - ? = 3

Back

8

Tags

CCSS.1.OA.D.8

Front

11 - ? = 4

Back

7

Tags

CCSS.1.OA.D.8

Front

18 - ? = 8

Back

10

Tags

CCSS.1.OA.D.8

Front

8 + 9 = ?

Back

17

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is addition?

Back

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

Tags

CCSS.1.OA.A.1

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by removing one from the other.

Tags

CCSS.2.OA.A.1

Front

What is the sum of 5 and 3?

Back

8

Tags

CCSS.2.OA.C.3

Front

What is the difference between 10 and 4?

Back

6

Tags

CCSS.1.OA.A.1

Front

If you have 7 apples and you eat 2, how many do you have left?

Back

5

Tags

CCSS.1.OA.A.1