Decimal Review

Writing Decimals

100

Write this decimal in standard form

3 x 1 + 4 x 0.1 + 6 x 0.01

3.46

200

Write this decimal in word form:

23.904

twenty-three and nine hundred four

300

write this decimal in expanded form:

4.853

4 x 1 + 8 x 0.1 + 5 x 0.01 + 3 x 0.001

400

Write this decimal in standard form:

two-hundred thirty-three thousand and nineteen thousandths

233.019

500

Write this number in standard form:

23.734 + five hundred twenty-six thousandths

24.256

Comparing decimals

100

Which decimal is greater?

2.3 2.31

2.31

200

which decimal is the least?

0.893 0.803

0.893

300

which is the greatest?

452.733   452.833

452.833

400

which is smallest?

30 tenths OR 0.03

0.03

500

greatest, least, equal?

602 tenths, 6,020 hundredths, OR 60.2

equal 

Arranging Decimals

100

arrange them in order from least to greatest:

4.90, 4.09, 40.9, 4.009

4.009, 4.09, 4.90, 40.9

200

order these decimals from greatest to least:

0.087, 8.93, 0.08, 0.873

8.93, 0.873, 0.087, 0.08

Rounding Decimals

100

round this decimal to the nearest tenth:

4.12

4.1

200

round this decimal to the nearest whole:

3.892

4

300

round this decimal to the nearest hundredth:

7.284

7.28

400

round this decimal to the nearest whole AND tenth:

6.402

6 AND 6.4

500

round this decimal to the nearest whole, tenth, AND hundredth

289.475

289, 289.5, AND 289.48

BONUS

100

ADD:

3.4 + 6.1

9.5

200

SUBTRACT:

8.45 - 2.36

6.09

300

MULTIPLY:

4.87 X 3.1

15.097

400

MULTIPLY:

9.56 X 4.7

44.932

500

SUPER BONUS:

DIVIDE:

24.84 / 6

4.14