Topic 2 Test Review

Rounding

100

#1

C: 2.17

200

#2

B: $30.80

300

#10B

Double Points!

36.4 meters

12.7 + 12.7 + 5.5 + 5.5 = 36.4

400

#10A

Double Points!

36 meters

13 + 13 + 5 + 5 = 36 meters

+ Decimals

100

#3

D: 6.43

200

#5A

$2.34

300

#7A

38.58 miles

- Decimals

100

#4

A: 7.15

200

#7B

0.42 miles

300

#8

Double Points!

Thomas Jefferson Memorial and Franklin Delano Roosevelt Memorial

10.86 acres (18.36 - 7.5 = 10.86)

Surprise

100

#5B

The # of full grids = # of dollars.  The # of small squares in the 3rd grid = number of cents.

200

#10C

Double Points!

Actual Length

The numbers rounded to the nearest tenth are closer to the actual measurements.  So that estimate is closer to the exact perimeter.

300

#9

Double Points!

Total: $30.61

Change: $9.39

400

#6

Quadruple Points!

3.05 + 1.65 = 4.7

8.5 - 4.8 = 3.7

4.25 + 1.55 = 5.8

11.4 - 6.6 = 4.8