Decimal Review!

Representing Decimals

100

Write the decimal thirteen hundredths in standard form

What is 0.13

200

Write 6.05 in expanded form

(6) + (0.05)      OR        (6) + (5/10)

300

Write 8.051 in word form

eight and fifty one thousandths

400

Write two and twenty-one thousandths in standard form

2.021

500

Write one and ninety-nine hundredths in standard form and expanded form

1.99 and 1+0.9 +0.09  or 1+9/10+9/100 

Comparing & OrderingDecimals

100

Use < , > or = to compare each pair of decimals 0.06 ______0.60

<0.60

200

Use < , >, or = to compare the set of decimals 4.888_______4.880

4.888 >

300

Use <, >, or = to compare the set of decimals 2.03_____2.030

=

400

Order each set of decimals from greatest to least. 5.222, 5.202, 5.022

5.222, 5.202, 5.022

500

Why are the following decimals equivalent? 

0.02 and 0.020

When there is a zero at the end of a decimal, it doesn't matter! That place holds 0 value! 

Rounding Decimals

100

Round 5.031 to the nearest HUNDREDTHS place. 

5.03

200

Round 0.0042 to the nearest thousandths place

0.004

300

Round 7.356 to the nearest tenths place

7.4

400

Round 3.45531 to the nearest ten-thousandths place

What is 3.4553

500

Round 2.05788 to the nearest ten thousandths place

2.0579

Estimating Sums& Differences

100

Estimate the sum using rounding. 38.23 + 11.84

40 + 10 = 50

200

Estimate the sum of 75.38 + 22.04

80 + 20 = 100

300

Estimate the sum of 31.29 + 58.07

30 + 60= 90

400

Estimate the difference of 12.045 and 11.81 

12-10=2

500

Estimate the answer:

61.45 - 52.88 - 1.02

60 - 50 - 1= 9

Adding and Subtracting Decimals

100

Add the decimals 43.28 + 31.45

74.73

200

Find the sum of the two decimals: 0.724  6.458

7.182

300

Solve 1.325 - 0.081

1.244

400

What is the difference of 148.93 and  121.36

27.57

500

Find the difference: 248 - 131.48

116.72