Addition and Subtraction within 20

Front

9 + ? = 18

Back

9

Tags

CCSS.1.OA.A.1

Front

6 - ? = 3

Back

3

Tags

CCSS.1.OA.D.8

Front

20 - ? = 10

Back

10

Tags

CCSS.1.OA.D.8

Front

6 + ? = 12

Back

6

Tags

CCSS.1.OA.A.1

Front

4 + 10 = ?

Back

14

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 numbers by removing one number from another.

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 apples do you have left?

Back

5 apples

Tags

CCSS.2.OA.A.1