Add and Subtract within 100

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 does '10 more than 37' mean?

Back

It means to add 10 to 37, which is 47.

Tags

CCSS.1.NBT.C.5

Front

What is 54 - 20?

Back

34

Tags

CCSS.2.NBT.B.5

Front

What is 78 - 40?

Back

38

Tags

CCSS.2.NBT.B.5

Front

What is 79 - 53?

Back

26

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 1 less than 27?

Back

26

Tags

CCSS.1.NBT.C.5

Front

What is the sum of 37 and 10?

Back

47

Tags

CCSS.2.NBT.B.5

Front

If you have 20 apples and you give away 5, how many do you have left?

Back

15 apples.

Tags

CCSS.2.OA.A.1

Front

What is the difference between 60 and 25?

Back

35

Tags

CCSS.2.OA.A.1