Envision Math 2nd Grade Topic 6 Review

Front

Which problem needs to be regrouped? 43 - 18

Back

43 - 18 needs to be regrouped because you cannot subtract 8 from 3.

Front

Which problem needs to be regrouped? 54 - 6

Back

54 - 6 needs to be regrouped because you cannot subtract 6 from 4.

Front

Mrs. Mason has 62 cookies. She gives away 27 cookies. How many cookies are NOT given away?

Back

62 - 27 = 35 cookies are NOT given away.

Front

Scott buys 60 baseball cards. He gives 23 cards to Mike. How many cards does Scott have now?

Back

60 - 23 = 37 cards left.

Front

A pet store has 58 goldfish. The store also has 23 sunfish. If 7 fish are sold, how many are NOT sold?

Back

(58 + 23) - 7 = 74 fish are NOT sold.

Front

What is regrouping in subtraction?

Back

Regrouping is when you rearrange numbers to make subtraction easier, especially when the top number is smaller than the bottom number.

Front

What is the difference in subtraction?

Back

The difference is the result you get when you subtract one number from another.

Front

What does it mean to give away in math problems?

Back

To give away means to subtract the number of items given from the total number of items.

Front

How do you find out how many are left?

Back

To find out how many are left, subtract the number given away from the total.

Front

What is a word problem?

Back

A word problem is a math problem written in the form of a story or a sentence.