Mental Math (Subtract 10 and 100)
One and Two Step Word Problems
Subtraction Using Place Value Blocks
Subtracting within 1,000 without regrouping
Subtracting within 1,000 with regrouping
100

387-10

377

100

There are 537 boys and 438 girls at the concert. How many more boys than girls are at the concert?

537-438=99

100

723-354

369

100

863-561

302

100

347-69

278

200

245-100

145

200

Dex buys 243 beads at Betty's store. He uses 118 of them to make a bracelet. How many beads does Dex have left?

243-118=125

200

922-542

380

200

654-234

420

200

962-385

577

300

856-10

846

300

Tim had 545 legos. First, he gives 132 legos to a friend. Then he finds 47 more legos. How many legos does Tim have now?

545-132=413

413+47=460

300

754-365

389

300

679-245

434

300

824-316

508

400

617-100

517

400

Ginny buys 958 beads. 245 beads are blue. 309 beads are orange. 153 beads are white. The rest are red. How many red beads does Ginny buy?

251

400

804-348

456

400

999-663

336

400

863-489

374

500

845-100

745

500

Nico collected 235 coins. Amber collected 120 fewer coins than Nico. How many coins did they collect in all?

235-120=115

235+115=350


500

784-524

260

500

754-321

433

500

463-264

199