Reading/Writing Decimals
Expanded Form & Rounding Decimals
Comparing Decimals & Powers of 10
Rounding Decimals
Powers of 10
100

Write the decimal in word form. 45.89

forty-five and eighty-nine hundredths

100

Write the decimal in expanded notation. 1.89

(1 x 1)+(8 x 1/10 )+(9x 1/100)

100

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

>

100

Round 43.83 to the nearest tenth.

43.8

100

3.91 x 10,000=

39,100

200

Write the decimal in standard form. two-thousand, five hundred fifty-five and twenty three thousandths

2,555.023

200

If the decimal 162.174 were placed on a number line, to which of the following would it be closest?

A. 160

B. 162.2

C. 162.1

D. 162

B

200

Fred weighed candy in six bags from a candy store.  The weights in pounds are shown below.

     5.05,  5.1,  5.25,  5.22,  5.2,  4.95

Which of the following shows the weights of the bags from greatest to least?

A. 4.95,  5.22,  5.25,  5.05,  5.1,  5.2

B. 5.25,  5.22,  5.05,  5.2,  5.1,  4.95

C. 4.95,  5.2,  5.22,  5.25,  5.1,  5.05

D. 5.25,  5.22,  5.2,  5.1,  5.05,  4.95

D
200

Round 67.345 to the nearest hundredth.

67.350

200

Select all expressions that are true.

A.  2.5 x 100 = 0

B.  2.5 x 100 = 2.5

C.  2.5 x 102 = 0.025

D.  2.5 divided by 102 = 0.025

E.  2.5 x 103 = 2,500

F.  2.5 divided by 103 = 2,500

B, D, E

300

Write the decimal in word form. 7,008.008

seven thousand, eight and eight thousandths

300

Sam wrote a 5-digit decimal in his folder. Sam's number is shown below with one of its digits missing. A box is in the spot where the digit is missing.

83.3 □ 7

When Sam's number is rounded to the nearest tenth, the outcome is the same in value as when his number is rounded to the nearest hundredth. Which digit belongs in the box?

A. 0

B. 1

C. 5

D. 9

D
300

What is the value of the missing exponent in the equation below?

2.5 divided by 10__ = 0.025

2

300

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

tenths place

300

Write a number that the value of the digit 6 is 1/10 of the value of the digit 6 in 36.31

_ _ . 6 _

400

Look at the picture.  Each square represents one whole. Write the word form of the model.

one and twenty-five hundredths

400

Write the decimal in standard form. (9 x 1,000)+(8 x 1)+(4 x 1/100) + (1 x 1/1000)

9,008.041

400

When dividing by 103, how is the decimal point moved?

A. 2 places to the right

B. 2 places to the left

C. 3 places to the right

D. 3 places to the left

C
400

Rounding 176,146 to which of the following places would result in a larger number? Select all the correct answers.


A. tens

B. hundreds

C. thousands

D. ten thousands

E. hundred thousands

A, D, E

400

How many times greater is the value 3.28 than the value 0.328?

10

500

Sally has a tomato plant that is one and 2 hundreths feet tall.  How is this number written as a decimal?

2.03

500

Write the decimal in expanded form. 83,812.03

(8 x 10,000)+(3 x 1,000)+(8 x 100)+(1 x 10)+(2 x 1)+ (3 x 1/100)

500

Compare the decimals using <,> or =. 8,903.001 _____ 8,930.001

<

500

Round 354.28 to the nearest whole number

354

500

____ x 1/10 = 0.48

4.8

M
e
n
u