Unit 3 Math Review

Subtraction

100

482-246

What is 236?

200

664-489

What is 175

300

850-524

What is 326

400

290-138

What is 152

500

612-443

What is 169

Addition

100

144+129

What is 273

200

237+259

What is 496

300

485+108

What is 593

400

273+619

What is 892

500

488+311

What is 799

Rounding to the nearest 10

100

381

What is 380

200

95

What is 100

300

672

What is 670

400

534

What is 530

500

889

What is 890

Rounding to the nearest 100

100

497

What is 500

200

312

What is 300

300

413

What is 400

400

884

what is 900

500

999

What is 1000

Word Problems

100

Jelani has 545 skittles. Elijah has 230 skittles. They each eat 100 skittles. How many skittles do Jelani and Elijah have now?

What is 575

200

Janay and Khloe went on a shopping spree. They both spent $500 each on clothes. Khloe returned $225 worth of clothes. How much did Janay and Khloe spend altogether on clothes?

What is 775

300

Ms. K Newman has 19 kids in her class. Ms. C Newman has 22 kids in her class. Ms. Baker has 21 students in her class. How many students do they have altogether.

What is 62

400

Titus played minecraft for 158 minutes on Monday. He played for 236 minutes on Tuesday and 445 minutes on Wednesday. How many minutes has Titus played minecraft in the last three days?

what is 839 minutes

500

Raegan has 725 marbles. 350 marbles are green and 157 are blue. The rest of the marbles are red. How many red marbles does Alex have?

What is 218 red marbles