Decimal Place Value Review

What is the value of the number?

100

What is the value of 7 in the number 31,782.5

700

200

What is the value of 8 in 58243.01?

8,000

300

What is the value of 3 in 9.23?

3/100

400

What is the value of 2 in 91.042

2/1000

500

What is the value of 6 in 45.067?

6/100

Comparing place value

100

In which digit does the number 7 have 1//10 the value of the digit 7 in 4,179.5?

A. 41,795

B. 417.95

C. 41.795

D. 4.1795

B. 417.95

200

In science class, students were looking at insects through a miscroscope. The miscroscope makes things look 10 times bigger. How big would a bug appear in the microscope if its actual size is 0.76 cm?

7.6 cm

300

If 10.013 is multiplied by 100, which direction would the decimal move?

A. left by one place

B. left by two places

C. right by one place

D. right by two places

Right by 2 places

400

Which number has an 8 with a value of 1/10 the value 8 has in 9.786?

A. 978.6

B. 97.86

C. 0.9786

D. 0.09786

C

500

When dividing 737.62 by 100, will the decimal move to the left or the right?

left

Inequalities

100

Which inequality is correct?

A. nine hundreths > ninety

B. nine tenths > nine

C. nine hundreths > nine tenths

D. nine tenths > nine hundreths

D

200

Order these decimals from least to greatest

20.1

2.82

2.08

28.1

2.08 < 2.82 < 20.1 < 28.1

300

Which inequality is false?

A. 1.40 > 1.4

B. 21.12 < 21.121

C. 8.96 > 8.9

D. 37.54 < 37.55

A

400

Which decimal is greater?

34.223 or 34.232

34.232

500

Order these decimals from greatest to least.

57.039

57.019

57.01

57.318

57.318 > 57.039 > 57.019 > 57.01

Miscellaneous

100

What is the place value of the 6 in 1484.36

hundreths

200

Write 324.057 in word form.

three hundred twenty four and fifty seven thousanths

300

A bag of candy rounded to the nearest whole number is 10 ounces. What could be the exact weight of the candy?

A. 9.081

B. 9.891

C. 10.909

D. 10.891

B

400

Write 329.46 in expanded form

(3 X 100) + (2 X 10) + (9 X 1) + (4 X 1/10) + (6 X 1/100)

500

Round 3.672 to the nearest hundreth

3.67

Exponents

100

Light travels 300,000 km per second. Write this in scientific notation.

3 X 10⁵

200

Write 2.7 X 10⁵ in standard form.

270000.

300

What is the value of the digit 6 in 6.5 when it is multiplied by 10²?

600

400

Is this statement true of false?

1.715 X 10¹ = 171.5

false

500

4380 / 10³ = ?

4.38