Blocks

Grouping/

Blocks

Blocks

Vocabulary

Regrouping/

Strategy

Strategy

Word Problems

100

There are _____ ones in a ten.

There are 10 ones in a ten.

100

What is a *s**um*?

A sum is the total amount when numbers, amounts, or items are added together.

Key words: *total amount *

100

What is 58 + 27? Regroup if you need to.

58 + 17 = 75

100

Jenna reads 53 pages in a book. Then she reads 9 more pages. How many pages does Jena read?

53 + 9 = ______

53 + 9 = 62

200

There are ____ ones in the number 27.

There are 7 ones in the number 27.

200

What does *difference* mean?

The result of subtracting one number from another.

200

Subtract 26 from 74. Regroup if you need to.

74 - 26 = 48

200

Deon has 68 pencils. He gives 15 pencils to friends. How many pencils does Deon have left?

______ pencils

53 pencils

300

There are ____ tens in the number 62.

There are 6 tens in the number 62.

300

What does *regroup* mean?

Making groups of ten when using addition or subtraction.

Key words: *making groups of ten*

300

What is 87 - 29 =____ ?

Regroup if you need to.

87 - 29 = 58

300

Max has 97 cents. He gives 23 cents to friends. How many cents does Max have left?

______ cents

74 cents

400

Holly uses these blocks to add 37 and 5.

+

How many tens and ones does Holly have when she regroups her blocks?

Holly has 4 tens and 2 ones.

400

If a question says "gives away" are you doing addition or subtraction.

Subtraction

400

What is 87 - 72 = ____?

Regroup if you need to.

87 - 72 = 15

400

Caroline has 56 strawberries and 37 Blueberries.

Part A: How can Caroline show the number of strawberries and blueberries using tens and ones?

8 tens and 3 ones

9 tens and 0 ones

9 tens and 3 ones

9 tens and 3 ones

500

In the morning, Mr. Lopez sees 33 cars parked in a parking lot. In the afternoon, some of the cars have left. Now there are 13 cars parked in the parking lot.

How many cars left the parking lot? Use blocks to solve.

20 23 30

20 cars left the parking lot.

500

If a question says "gains" are you doing addition or subtraction.

Addition

500

Which shows a correct strategy to add 48 + 26?

48 + 2 + 6

48 + 10 + 6

48 + 10 + 10 + 6

48 + 10 + 10 + 6

500

Caroline has 56 strawberries and 37 Blueberries.

Part B: How many strawberries and blueberries does Caroline have?

____ strawberries and blueberries

93 strawberries and blueberries