Subtract
Regroup Tens
Regroup Hundreds
Subtract Three-Digit Numbers
Subtract Across Zeros
100

You can ______________ to find the difference.

subtract

100
To take a number apart and write it in a new way is to _____________.
regroup
100

How do you know when to regroup?

I know to regroup when there are not enough ones or tens to subtract.

100
To identify the value of the digit 9 in the numbers 976, 93, and 9, use what you know about ________ __________.
place value
100
800-761

39

200

solve 355-94?

255 and 100

200
What is 153-47?
106
200
What is 638-43?
595
200
What is 897-184?
713
200

Where do we begin regrouping for 300-266? Solve. 

The tens place. 34

300

What is 835-98? 

737

300
What is 647-518?
129
300
What is 225-133?
92
300
What is 935-394?
541
300

What is 200-75?

125

400

What is 935-99? 

296

400
What is 734-228?
506
400
What is 948-472?
476
400
What is 953-764?
189
400

What is 600-289?

311

500

Rachel has 148 blueberries. She gives 97 blueberries to her brother. How many blueberries does Rachel have left?

Rachel has 51 blueberries left.

500
725 people came to the school's pancake breakfast. 318 of those people were students. How many adults were at the breakfast?
407 adults were at the pancake breakfast.
500
475 parents came to the school's Valentine's party. 294 parents had to leave early. How many parents are still at the party?
181 parents are still at the party.
500
344 people are at the football game. 198 people leave at half time. How many people are still at the game after half time?
146 people are still at the game after half time.
500

500 people signed up for baseball. 123 people stopped playing. How many people are still playing baseball?

377 people are still playing baseball.

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