REVIEW: Module 1 Lessons 1-10

Write the Decimal

100

One and three hundredths

1.03

200

Two-thousand, five hundred fifty-five and two tenths

2,555.2

300

Seventy and thirty-four hundredths

70.34

400

One million and 1 thousandth

1,000,000.001

500

Five hundred fifty and five hundred fifty thousandths

550.550

Metric Conversions

100

123 cm = _____ m

1.23 m

200

1.23 km = _____ m

1,230 m

300

Ture or False: A kilometer is larger than a meter.

TRUE

400

12.555 km + 3,000 m = ______ m

15,555 km

500

12 mm + 22 cm = _____ cm

23.2 cm

Adding & Subtracting Decimals

100

1.2 + 0.35 =

1.55

200

123.5 + 3.5 = 

127

300

34.9 - 1.23 = 

33.67

400

3,123.2 - 44.5 =

3,078.7

500

515+ 13.245 = 

528.245

Rounding Decimals

100

Round 43.83 to the nearest tenth.

43.8

200

Round 67.345 to the nearest hundredth.

67.350

300

After rounding 45.834, the answer is 45.8. What place value was 45.834 rounded to?

tenths place

400

After rounding 24.89, the answer is 25. What place value was 24.89 rounded to.

Ones/whole number

500

Round 34.98 to the nearest tenths place.

35

Powers of 10

100

3.91 x 10⁴=

39,100

200

0.04 x 10⁶=

40,000

300

847 / 10²=

8.47

400

8,923 / 10³=

8.923

500

34.98 / 10³

0.03498