Show:
Regroup Hundreds and Tens to Subtract
Subtract 3-Digit Numbers Without Regrouping
Break Apart 3-Digit Addends
Draw to show 3-Digit Addition
Regroup with Zeros to Subtract
100
Question #1: Mr. Kent had 948 craft sticks. His art class used 356 craft sticks. How many craft sticks does Mr. Kent have now?
592 craft sticks
100
456-233
223
100
Break apart the addends to find the sum.

849+123=

800+40+9

100+20+3

__________

900+60+12=972

100

Draw quick pictures to solve using base 10 blocks.

232+150=

3 hundreds 8 tens 2 ones

382

100
504-178=
326
200
Question #5 Mrs. Preston had 513 leaves. She gave 274 leaves to her students. How many leaves does she still have? Draw to show how you found your answer.
239 leaves
200
237-126=
111
200
Break apart the addends to find the sum.


425+232=

400+20+5

200+30+2

___________

600+50+7=657

200

Draw quick pictures to solve using base 10 blocks.

231+218=

4 hundreds 4 tens 9 ones

449

200
308-259=
49
300
A farmer has 112 pecan trees and 97 walnut trees. How many more pecan trees does the farmer have than walnut trees? Fill in the bubble next to all the sentences that show the correct answer.
◉ I would regroup the hundreds ⃝ I would add 12 + 97 ◉ I would subtract 7 ones from 12 ones ◉ I would regroup the tens
300
232-118=
114
300
Break apart the addends to find the sum.

374+518=

300+70+4

500+10+8

__________

800+80+12=892

300

Draw quick pictures to solve using base 10 blocks.

307+251=

5 hundreds 5 tens 8 ones

558

300
801-375=
426
400
Question #9 Sally scores 381 points in a game. Ty scores 262 points. How many more points does Sally score than Ty? ⃝ 121 ⃝ 643 ⃝ 129 ⃝ 119
119
400
777-213=
564
400

Raul used this method to find the sum 427+316. 427+316= ------> 700+30+13=743 Use his method to find the sum: 229+313

229+313= -----> 500+30+12=542

400
Draw quick pictures to solve using base 10 blocks.

125+344=

4 hundreds   6 tens   9 ones

469

400
755-438=
317
500
547+435=
982
500

Question #2 At the library, there are 668 books and magazines. There are 565 books at the library. How many magazines are there?

There are 103 magazines
500

Question #3 There are 176 girls and 241 boys at school. How many children are at school? Break apart hundreds, tens and ones.

100+70+6=176

200+40+1=241

437 children at school

500

Question #4 Anna wants to add 246 and 132. Help Anna solve this problem. Draw quick pictures. Write how many hundreds, tens, and ones in all. Write the number.

3 Hundreds 7 Tens 8 Ones

500
Question #7 Amy has 408 beads. She gives 322 beads to her sister. How many beads does Amy have now? Does the sentence describe how to find the answer? Choose Yes or No. Regroup 1 ten as 18 ones ------> Yes or No Regroup 1 hundred as 10 tens -----> Yes or No Subtract 2 tens from 10 tens -----> Yes or No
Regroup 1 ten as 18 ones ------> No Regroup 1 hundred as 10 tens -----> Yes Subtract 2 tens from 10 tens -----> Yes Amy has 86 beads.