Chapter one review

Place Value

100

What place is the 7 in the number 678?

Tens place

200

What place is the 9 in the number 978?

Hundreds place

300

What place is the number 1 in the number 201?

Ones place

400

What place is the 5 in the number 1,235?

Ones place

500

What place is the 2 in the number 2,467?

Thousandths place

3-digit addition

100

315+213

528

200

323+151

474

300

534+254

788

400

311+298

609

500

169+354

523

3-digit subtraction

100

537-123

414

200

787-376

411

300

426-218

208

400

679-482

197

500

352-167

185

Rounding

100

Round the number 67 to the nearest tens

70

200

Round the number 82 to the nearest tens

80

300

Round the number 126 to the nearest tens

130

400

Round the number 345 to the nearest hundreds

300

500

Round the number 679 to the nearest hundreds

700

Word problems

100

Bob has 675 legos. George has 235 fewer legos than Bob. How many legos does George have?

George has 440 legos

200

There are two baby giraffes at the zoo. One weighs 148 pounds and the other giraffe weighs 125 pounds. What is their combined weight? 

273 pounds

300

Seth bought a pair of sneakers for $48 and a jacket for $64. About how much will Seth spend?

About $110

400

Elena drove 255 miles last week and 342 miles this week. About how many miles did Elena drive for the two weeks rounded to the nearest hundreds? 

About 600 miles.

500

343 people visit the Children's museum on Monday. On Tuesday, there was 112 more people at the museum than on Monday. What is the total number of visitors for both days?

798 people on both days