Rounding tens
Rounding hundreds
Word Problems
Let's Subtract
Let's Add
100

191

What is 190

100

523

What is 500

100

Joe has 45 toys. Jon has 50 toys. How many toys do they have total? 

What is 95 toys

100

892 - 361

What is 531

100

448 + 61

What is 509

200

545

What is 550

200

341

What is 300

200

Sarah ran 520 feet. Jen ran 603 feet. How much farther did Jen run than Sarah?  

What is 83 feet

200

375 - 66

What is 309

200

821 + 55

What is 876

300

673

What is 670

300

899

What is 900

300

Sue rode her bike for 63 minutes. Ryan rode his bike for 114 minutes. How much farther did Ryan ride than Sue? 

What is 51 minutes

300

560 - 23

What is 537

300

627 + 86

What is 713

400

288

What is 290

400

749

What is 700

400

Sam has a total of 345 grams of candy. He bought one small bag that has 106 grams. He also bought a large bag. How many grams are in the large bag?

What is 239 grams

400

317 - 109

What is 208

400

455 + 55

What is 510

500

466

What is 470

500

551

What is 600

500

Two third grade classes have a total of 645 pencils. Mrs. Hummert's class has 348 pencils. How many pencils does Mrs. Havel's class have?  

What is 297 pencils

500

744 - 598

What is 146

500

248 + 662

What is 910

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