Find the Estimate
Subtraction with Regrouping
Subtraction Across Zero
Estimate or Exact?
Solve the word problem
100

787 - 542

800-500=300

100

692 - 627

65

100

90 - 14

76

100

25 pumpkins were at the pumpkin patch.  The Smith family bought 8 of them to take home.  How many pumpkins are left at the patch?

exact 

25-8

100

Taylor has 708 baseball cards and 394 basketball cards.  Estimate how many more baseball cards does Taylor have?

estimate (estimate)

700 - 400 = 300

200

616 - 522 = 

600 - 500 = 100

200

928 - 669

259

200

202 - 163

39

200

28 spooky ghosts were flying around.  16 of them disappeared.  To the nearest ten, how many ghosts are left?

estimate  (to the nearest ten)

30 - 20 

200

Makayla is making necklaces.  She has  512 beads. She uses 278 beads.  About how many beads does she have left?

estimate (about/left)

500-300=200

300

393 - 251 

400 - 300 = 100

300

625 - 386

239

300

500 - 146

354

300

Glenda had 88 Jack -O- Lanterns on her fence. 46 fell off.  About how many does Glenda have left on her fence?

estimate (about)

90 - 50

300

Dario has 800 stamps. He gives his brother 345 stamps.  How many stamps does Dario have left?

exact  

(gives/ left)

800-345=455

400

796 - 302

800 - 300 = 500

400

591 - 283

308

400

415 - 353

62

400

Maria counted 72 pieces of candy in her trick-or-treat bag.  She ate 27 pieces when she got home.  How many pieces of candy does she have left in her bag?

exact

72 - 27

400

Colin's bakery sold 204 cookies in September and 89 cookies in October.  How many more cookies did he sell in September than October?

exact

(sold/than)

204-89=115

500

489 - 414

500 - 400 = 100

500

557 - 142

415

500

403 - 177

226

500

429 kids went to the Halloween party.  At 8 O'Clock, 165 of them went home.  Estimate how many kids are left at the party.

estimate

400- 200

500

Gregory had a 433 pound bag of bird seed.  He used 36 pounds of seeds to feed the birds.   How many pounds of seeds he has left?

 (left)

433-36=397


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