5th Grade Decimal Review

Reading/Writing Decimals

100

Write the decimal in word form. 45.89

forty-five and eighty-nine hundredths

200

Write the decimal in standard form. two-thousand, five hundred fifty-five and two tenths

2,555.2

300

Write this decimal in standard form: thirty six and eight hundred fourteen thousandths

36.814

400

Write the decimal in word form. 27,008.008

twenty seven thousand, eight and eight thousandths

500

Write the number in word form. 8,806,002.01

eight million, eight hundred six thousand, two and one hundredth

Expanded Form

100

Write the decimal in expanded form. 1.89

(1 x 1)+(8 x 0.1)+(9x0.01)

200

Write the number in expanded form. 45.03

(4 x 10)+ (5 x 1)+(3 x 0.01)

300

Write the decimal in standard form. (8 x 1)+(4 x 0.1)+(5 x 0.01)

8.45

400

Write the decimal in standard form. (9 x 1,000)+(8 x 1)+(1 x 0.001)

9,008.001

500

Show two different ways to write the expanded form of the number 3.48.

3+0.4+0.08

3+(4x1/10)+(8x1/100)

Comparing Decimals

100

Fill in the blank with <, >, or =. 89.01____89.001

>

200

Fill in the blank with <,>, or =. 45.02 _____ 44.9

>

300

Compare the two decimals using <,>, or =. 0.09____ 0.090

=

400

Compare these two decimals using >,<, or =.

398.25

398.09

 

398.25>398.09

398.09<398.25

500

Write true or false for each comparison statement.

A) 0.49<0.5

B) 0.304>0.333

C) 0.019<0.09

D) 0.08>0.81

E) 0.111<0.11

F) 0.68=0.068

A) 0.49<0.5 is true

B) 0.304>0.333 is false

C) 0.019<0.09 is true

D) 0.08>0.81 is false

E) 0.111<0.11 is false

F) 0.68=0.068 is false

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

Which numbers round to 8.1 when rounded to the nearest tenth?

A) 7.99

B) 8.162

C) 8.074

D) 8.13

E) 8.012

C) 8.074

D) 8.13

Powers of 10

100

Fill in the blank(s) with 10 times or 1/10:

A) 7 is _____ 0.7.

B) 0.05 is _____ 0.5.

A) 10 times

B) 1/10

200

Fill in the blanks:

2.87=(____x1)+(_____x1/10)+(_____x1/100)

2

8

7

300

Write in standard form:

(4x100)+(2x10)=(6x1)=(1x1/100)

426.01

400

Which of the following statements is true?

A) 0.002 is 10 times 0.02

B) 0.02 is 1/10 of 0.002

C) 0.02 is 10 times 0.002

D) 2 is 1/10 of 0.2

C) 0.02 is 10 times 0.002

500

Which statement correctly compares values of the digit 8 in 284,560 and 128,773?

A) The value of the digit 8 in 284,560 is 1/10 the value of the digit 8 in 128,773.

B) The value of the digit 8 in 284,560 is 10 times the value of the digit 8 in 128,773.

C) The value of the digit 8 in 284,560 is 10,000 times the value of the digit 8 in 128,773.

B) The value of the digit 8 in 284,560 is 10 times the value of the digit 8 in 128,773.