Adding and Subtracting within 20.

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 taking one number away from another.

Tags

CCSS.2.NBT.B.7

Front

What is the sum of 3 and 5?

Back

8

Tags

CCSS.2.OA.C.3

Front

What is the sum of 10 and 6?

Back

16

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 15 - 7?

Back

8

Tags

CCSS.1.OA.C.6

Front

What is 9 + 8?

Back

17

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

If you have 5 apples and you buy 3 more, how many apples do you have?

Back

8 apples

Tags

CCSS.1.OA.A.1

Front

If you have 10 candies and you give away 4, how many candies do you have left?

Back

6 candies

Tags

CCSS.2.OA.A.1

Front

What is the missing number in the equation: 6 + ___ = 12?

Back

6

Tags

CCSS.1.OA.D.8

Front

What is the missing number in the equation: 7 - ___ = 3?

Back

4

Tags

CCSS.1.OA.D.8