10,100,1000
Rounding
Comparison
Exponents
Test Prep
100

155 x 10 = 

1,550

100

Round 258 to the nearest ten

260

100

Finish the number sentence. 

23.1 _____ 24.1

23.1  <  24.1

100

10= ? 

102 = 100

100

A number written in expanded form is shown below. 

(8 × 1,000) + (3 × 100) + (2 × 1) + (4 × 1/10) + (7 × 1/1,000) 

What is the number written in standard form? 

 832.47 

 8,302.407 

 8,302.47 

 8,320.407 

 8,302.407

200

2,380 divided by 10 = 

238 or 238.0

200

Round 1.345 to the nearest tenth

1.3 

200

Finish the number sentence. 

3.15 _____ 3.2

Finish the number sentence. 

3.15 < 3.2 

200

3.23 x 102 = 

323

200

A scientist measured a grain of sand. It had a diameter of 0.049 millimeter. What is 0.049 written in word form? 

 forty-nine 

 forty-nine tenths 

 forty-nine hundredths 

 forty-nine thousandths

forty-nine thousandths

300

2.456 X 100

245.6 

300

Round 13.659 to the nearest hundredth

13.66

300

Finish the number sentence. 

5.745 _____ 5.645

Finish the number sentence. 

5.745 > 5.645

300

532.3 divided by 102

5.323

300

A calculator is 0.07 meter wide. Sam made a model that was 1/10 the size of the actual calculator. How wide was Sam’s model?

  70 meters 

 7 meters 

 0.7 meter

  0.007 meter

0.07 divided by 10 = 0.007

400

5.368 X 1000

5,368

400

Round 24.951 to the nearest one

25

400

Finish the number sentence. 

23/100 _____ 0.23

Finish the number sentence. 

23/100 = 0.23

400

3.876 X 103

3,876

400

Martin is going mountain climbing at Snowmass Mountain in Colorado. He looked up the height of the mountain and found it to be about 14 x 103 feet high. What is the height of Snowmass Mountain written as a whole number? 

140 feet 

1,400 feet 

14,000 feet 

140,000 feet

14 x 10= 14,000

500

5,897 divided by 1000

5.897

500

Round 245.628 to the nearest Hundred 

200

500

Finish the number sentence. 

83 tenths ______  8 

Finish the number sentence. 

8.3 > 8

500

How many places would you move the decimal if you multiplied a number by 106?

You would move the decimal 6 places to the right

500

Rainfall collected in a rain gauge was found to be 2.36 cm when rounded to the nearest hundredth of a centimeter. Which below measurement below could be the actual measurement of the rainfall. 

2.366 cm 

2.362 cm 

2.352 cm 

2.4 cm

2.36 cm 

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