Adding and subtracting within 20

Front

18 - 2 = ?

Back

16

Tags

CCSS.1.OA.C.6

Front

8 + 4 = ?

Back

12

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

20 - 10 = ?

Back

10

Tags

CCSS.2.NBT.B.5

Front

7 + 6 = ?

Back

13

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

3 - 1 = ?

Back

2

Tags

CCSS.1.OA.C.6

Front

What is addition?

Back

Addition is combining two or more numbers to get a total.

Tags

CCSS.1.OA.A.1

Front

What is subtraction?

Back

Subtraction is taking one number away from another.

Tags

CCSS.2.NBT.B.7

Front

What is the sum of 5 and 3?

Back

8

Tags

CCSS.2.OA.C.3

Front

What is the difference between 9 and 4?

Back

5

Tags

CCSS.2.OA.A.1

Front

If you have 10 apples and give away 2, how many do you have left?

Back

8

Tags

CCSS.1.OA.A.1