Topic 1 Review

Reading/Writing/saying Decimals

100

Write the decimal in word form. 45.89

forty-five and eighty-nine hundredths

200

Write in word form: 

26,786

twenty-six thousand seven hundred eighty-six

300

What is .789 in word form

seven hundred eighty nine thousandths

400

What is four tenths written in decimal form?

.4

500

How do I write this number in word form: 

654,981

six hundred fifty-four thousand nine hundred eighty-one 

Ordering Decimals

100

Order these decimals from LEAST to GREATEST:

6.7,   9.8,   1.2

1.2, 6.7, 9.8

200

Order these decimals from greatest to least by making them equivalent first (add zeros so there are the same amount of digits)

.09, .099, 0.123

0.123, 0.099, 0.090

300

Are these decimals ordered least to greatest, or greatest to least?

7.888, 9.766, 9.777

Least to greatest

400

Order these decimals from greatest to least:

0.001, 0.009, 0.010, 0.111

0.111, 0.010, 0.009, 0.001

500

What can I do if my decimals don't have the same number of digits after the decimal?

Make them equivalent

add zeros

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

What place value are you comparing when looking at the following decimals. 34.90 and 34.93

hundredths place

400

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

=

500

Compare the decimals using <,> or =.  3.001 _____ 30.001

<

Place Value

100

What is 1/10 of 200?

20

200

Finish the pattern.

900, 90, 9, ____, _____

0.9, 0.09

300

8 x 10⁴

80,000

400

9 x 10⁵

900,000

500

7x10x10x10x10 

70,000

Expanded Form

100

Write in expanded form:

49,670 

(4x10,000)+(9x1,000)+(6x100)+(7x10) 

200

Write 321.5 in expanded form. 

(3X100)+(2x10)+(1x1)+(5x1/10) 

300

Write 4.035 in expanded form. 

(4x1)+(3X1/100)+(5x1/1,000)

400

Write 4,534 in expanded form. 

(4x1,000)+(5x100)+(3x10)+(4x1)

500

Write 52.78 in expanded form. 

(5x10)+(2x1)+(7x1/10)+(8x1/100)