Addition within 20

Front

What is the sum of 12 and 5?

Back

17

Tags

CCSS.1.OA.A.1

Front

What is 8 plus 6?

Back

14

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

Calculate 7 + 2.

Back

9

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 2 + 5?

Back

7

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is the result of 3 + 11?

Back

14

Tags

CCSS.1.OA.A.1

Front

What is the maximum sum you can get when adding two numbers within 20?

Back

20

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Front

What is the minimum sum you can get when adding two positive numbers?

Back

2 (1 + 1)

Tags

CCSS.7.NS.A.1C

Front

If you add 10 to a number, what is the maximum number you can start with to stay within 20?

Back

10 (10 + 10 = 20)

Tags

CCSS.1.OA.A.1

Front

What is the property of addition that states the order of addends does not change the sum?

Back

Commutative Property of Addition

Tags

CCSS.1.OA.B.3

Front

What is the property of addition that states the grouping of addends does not change the sum?

Back

Associative Property of Addition

Tags

CCSS.1.OA.B.3