Unit 1 Review: Three-Digit Adding and Subtracting

Number Line Addition/Subtraction

100

435 - 124

311

200

634 + 290

924

300

822 - 319

503

400

503 +129

632

500

125 + 799

924

Stack Method Addition/Subtraction

100

365 + 451

816

200

521 - 296

225

300

872 - 693

179

400

451 + 497

948

500

788 - 290

498

Hundreds Blocks Addition/Subtraction

100

150 + 190

340

200

765 - 215

550

300

645 - 362

283

400

451 + 239

690

500

333 + 447

780

Add on to Subtract

100

250 - 120

130

200

945 - 625

320

300

633 - 229

404

400

786 - 439

347

500

912 - 289

623

Word Problems

100

Jade has 435 lilies in her garden. She plants 200 roses in her garden. How many flowers does she have total?

635 flowers

200

Jazlyn finds 795 quarters in between the seats of her car. She spends 250 quarters to buy two packs of gum. How many quarters does she have left?

545 quarters

300

Spongebob makes 174 Krabby Patties during his morning shift. He then makes 289 Krabby Patties during his afternoon shift. How many Krabby Patties did he make by the end of the day?

463 Krabby Patties

400

Wilson's Apple Orchard sold 640 apples last week. They only sold 379 apples this week. What was the difference of apples sold between the two weeks?

261 apples

500

Chicago is 247 miles away from Cedar Rapids. Kansas City is 319 miles away from Cedar Rapids. How far away is Chicago from Kansas City?

566 miles