Fluency Addition/ Subtraction within 20

Front

16 + 2 = ?

Back

18

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

16 - 3 = ?

Back

13

Tags

CCSS.1.OA.C.6

Front

17 - 7 = ?

Back

10

Tags

CCSS.1.OA.C.6

Front

16 - 0 = ?

Back

16

Tags

CCSS.2.NBT.B.5

Front

16 - 4 = ?

Back

12

Tags

CCSS.2.OA.A.1

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 10 and 5?

Back

15

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is the difference between 15 and 5?

Back

10

Tags

CCSS.2.OA.A.1

Front

If you have 8 apples and you add 2 more, how many apples do you have?

Back

10

Tags

CCSS.1.OA.A.1