Number Stories
Add 3-Digit Numbers
Mystery Questions
Estimating (Rounding)
Subtract 3-Digit Numbers
100

The third grade class at Lindsay School raised $394 during a fundraiser. The fourth grade class raised $299. Each team worked 24 hours to raise the money. How much did the two teams raise?

$693

100

123+111=?

234

100

100+99+203=?

402

100

Round to the nearest ten.

238

240

100

549-317=?

232

200

George has 407 pieces of gum. He chewed 216 pieces and gave 140 pieces to his sister. How many pieces of gum does George have left?

51 pieces

200

324+175=?

499

200

Mrs. Boatman earned $362 selling face masks and got $58 from Mr. Boatman for a gift. She spent $229 on a gift for the wonderful Mrs. Trieger. How much money does she have now?

$191

200

Round to the nearest 100.

213

200

200

306 -198=

108

300

The Hershey factory made 500 Hershey Kisses. So far they have sold 274 Hershey Kisses. There are 200 workers at the factory. How many of the Hershey Kisses do they have left to sell?

226 Hershey Kisses

300

186+871=?

1057

300

596+684=?

1280

300

Round to the nearest ten.

609

610

300

400-219=

181

400

The Green Dragon restaurant made a profit of $825 on Friday. The Tasty Bistro made a profit of $647 the same day. How much more profit did the Green Dragon make?

$178

400

384+270+133+149=?

963

400

Ms. Lueking makes money teaching violin lessons. She made $631 in September, $137 in October and $259 in November. How much more did she earn in September than in October and November?

$235

400

Round to the nearest 100.

542

500

400

904- 703=

201

500

Mr. Trieger buys a package of 700 Laffy Taffies. She gave 184 to Ms. Lueking's Class. Then, she gave 127 to Mrs. Milnes' class. She also ate 12! How many Laffy Taffies does she have left?

377 Laffy Taffies

500

914+127=?

1041

500

Mrs. Trieger has taught 332 students. Mrs. Milnes has taught 246 students. Ms. Lueking has taught 298 students. How many more students has Mrs. Trieger taught than Ms. Lueking?

34 students

500

Round the number to the nearest hundred.

983

1000

500

743-168=

575