Bridges Unit 3 Review

Random

100

In the 2012 London Summer Olympics, Jamaican sprinter Usain Bolt ran the 200-meter sprint in 19.32 seconds, coming in first place. The sprinter who came in second, Yohan Blake, finished the race in 19.44 seconds. By how much did Bolt win the race? Show all your work.

Bolt won the race by 0.12 seconds.

200

0.231 ___ 2.31

<

300

1,2305.45 ___ 1,2350.45

<

400

1 Kilometer = 1000 meters

1 meter = 100 centimeters

How many meters is 37 KM?

37 KM = __________ M

37 KM = 37,000 M

500

Put the following in order on the number line (approximate spots)

0.420    0.427    0.02    0.92

0.02, 0.420, 0.427, 0.92

Round Decimals

100

tenth

8.437

8.4

200

one

8.935

9

300

hundredth

64.025

64.03

400

one

245.87

246

500

hundredth

99.912

99.91

Adding

100

94.3 + 45.5

139.8

200

94.1+6.30

100.4

300

28.01 + 33.9

61.91

400

4.62 + 2.99

7.61

500

3.49 + 7.32

10.81

Subtracting

100

5.01-2.40

2.61

200

7.02 - 6.14

0.88

300

65.4 - 12.75

52.65

400

1.83 - 0.90

0.93

500

1.3 - 0.64

0.66

Place Value

100

Write 4.37 in word form 

four and thirty seven hundredths 

200

Write the out in number form - five and thirty four hundredths 

5.34

300

Write 2.893 in expanded form 

(2x1) + (8 x 1/10) + (9 x 1/10) + (3 x 1/100)

400

What is the value of the 9 in 79.12?

9 ones, 9

500

What is the value of the 3 in 97.013?

3 thousandths, 0.003, 3/1000