M
open number line
H/T/O
any strategy
:)
100

345 − 123 = ?

222

100

Sarah had 371 stickers. She gave 125 away. How many does she have left?

246

100

Jake had 456 marbles. He lost 123. How many marbles does he have now?

333

100

A pirate found 764 gold coins. He lost 352. How many coins does he have now?

412

100

654 − 220 = ?

434

200

678 − 452 = ?

226

200

A library had 678 books. 256 were checked out. How many are left?

422

200

A zoo had 789 visitors. 230 left early. How many visitors stayed?

559

200

A spaceship had 900 fuel units. It used 468. How much fuel is left?

432

200

789 − 118 =?

671

300

586-243=?

343

300

There were 800 apples. 375 were used to make pies. How many apples remain?

425
300

There were 626 balloons. 223 popped. How many are left?

403

300

A dinosaur had 835 leaves to eat. It ate 476. How many leaves are left?

359

300

555 − 222 =?

333

400

732 − 421 = ?

311

400

A toy store had 905 toys. It sold 468 toys. How many toys are left?

437

400

Mia had 532 candies. She gave away 211. How many does she have now?

321

400

A superhero saved 720 people. 385 went home. How many are still waiting?

335

400

358-184= ?

174

500

864 − 542 = ?

322

500

A school collected 720 cans. 389 cans were donated. How many cans are still at the school?

331

500

A class collected 450 pencils. They gave 120 away. How many remain?

330

500

A dragon collected 752 gems. It gave away 428. How many gems are left?

324

500

563-165=?

398

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