Addition and Subtraction

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 28 and 20?

Back

48

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

If Quincy has 28 stickers and Dom has 20 more stickers than Quincy, how many stickers does Dom have?

Back

48 stickers

Tags

CCSS.2.NBT.B.6

Front

How many flowers did the florist sell if she sold 20 tulips and 10 roses?

Back

30 flowers altogether

Tags

CCSS.2.OA.A.1

Front

What is the sum of 39 and 8?

Back

47

Tags

CCSS.2.NBT.B.6

Front

What is 39 - 27?

Back

12

Tags

CCSS.7.NS.A.1C

Front

If Selly had 50 sweets and gave away 13, how many sweets does she have left?

Back

37 sweets

Tags

CCSS.2.OA.A.1

Front

What does 'more than' mean in math?

Back

'More than' means to add a certain number to another number.

Tags

CCSS.1.OA.A.1

Front

What does 'less than' mean in math?

Back

'Less than' means to subtract a certain number from another number.

Tags

CCSS.1.NBT.B.3