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 sum?
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