Unit 2 Review

Round/CompareDecimals

100

The driving distance between Buffalo, NY, and Rochester, NY, is 117.456 kilometers. What is this distance rounded to the nearest tenth of a kilometer?

117.5 kilometers

200

Use >, <, or = to compare these numbers.

6.104 ___ 6.106

<

300

Use >, <, or = to compare these numbers.

6.10 ____ 6.1

=

400

Use >, <, or = to compare these numbers.

123.45 ____ 123.8

<

Add/Subtract Decimals

100

Julie rides her bike 104.78 miles in June, 129.53 miles in July, and 61.05 miles in August. How far does she ride in all?

295.36 miles

200

Julie rides her bike 104.78 miles in June, 129.53 miles in July, and 61.05 miles in August. How many more miles did she ride in July than in August?

68.48 miles

300

Julie rides her bike 104.78 miles in June, 129.53 miles in July, and 61.05 miles in August. How many more miles did she ride in June than in August?

43.73 miles

400

I need 7 pounds of potatoes for Thanksgiving dinner. I bought 4.8 pounds of potatoes from Smith's and 2.3 pounds of potatoes from Walmart. Do I have enough potatoes for Thanksgiving dinner?

Yes

Add/Subtract Fractions

100

3 4/5 + 6 2/10 =

10

200

22 7/9 - 16 1/4

6 19/36

300

It snowed 5 1/2 inches in January and 4 7/8 inches in February. How many more inches did it snow in January than in February?

5/8

400

Megan ran 4 2/3 miles on Friday and 2 7/8 miles on Saturday. ESTIMATE how many miles she ran in all.

your answer should be between 7 and 8

Powers of 10/Expanded Form

100

0.15 x 10³ =

^{a. 0.015}

^{b. 0.15}

^{c. 15}

^{d. 150} 

d. 150

200

Write this number in standard form:

(2 x 10) + (6 x 1) + (5 x 0.1) + (7 x 0.01) + (4 x 0.001)

26.574

300

Write 100 as a power of 10 in exponent form.

10²

400

Fill in the number missing from the pattern. 

Divide by 10: 700, 70, 7, 0.7, 0.07, _____

0.007