Lesson 0 Review

Rounding

100

101 Rounded to the nearest hundred

100

200

536 rounded to the nearest hundred

500

300

261 rounded to the nearest hundred

300

400

750 rounded to the nearest hundred

800

500

10, 651 rounded to the nearest hundred

10,700

Addition

100

124+313=

437

200

563+352=

915

300

236+485=

721

400

A bakery made 388 more donuts this week than last week. Last week they made 456 donuts. How many donuts did they make this week?

844 donuts

500

Bob has gone to school 327 more days than his younger sister. Bob's sister has gone to school 593 days. How many days has Bob gone to school?

920 Days.

Subtraction

100

300-200=

100

200

577-325=

252

300

873-685=

188

400

Gracelyn is watching a movie that is 156 minutes. Before lunch she watches 77 minutes. How many minutes does she have left to watch? 

79 minutes

500

Ivan has a big bag with 737 skittles. At lunch he eats 399 skittles. How many skittles does he have left?

338 skittles