Decimal Review

Comparing Decimals

100

Which is GREATER 

0.5 or 0.4

What is 0.5

200

Which number is LESS 

6.43 or 6.359

What is 6.359

300

Which is the correct set of numbers? 

A:13.53, 12.553, 13.6, 13.65

B: 0.629, 0.63, 0.692, 0.7

What is B.

400

Which numbers are equal to 5.2?

5.02,    5.20,   5.202,    5.200,    5.22

What is 5.20 and 5.200

500

Order the numbers from greatest to least.

7.092, 7.209, 7.9, 7.009, 7.029

What is 

7.9, 7.209, 7.092, 7.029, 7.009

Rounding Decimals

100

Round 8.09 to the nearest tenth?

What is 8.1

200

What is 0.5293 rounded to the nearest hundredth?

What is 0.53

300

What is 452.2078 rounded to the nearest thousandth? 

What is 452.208

400

Ellie entered a race. She ran one mile in 11.32 minutes. Round her time to the nearest tenth. 

What is 11.3

500

A gallon of diesel gas cost $4.845. Round the price to the nearest hundredth? 

What is $4.85

Adding Decimals

100

Estimate the sum 

  9.57+8.26

What is 10 + 8 = 18

200

14.2+3.7

What is 17.9

300

20.3+9.9

What is 30.2

400

35.27+7.99

What is 43.26

500

12.77+ 4.59+ 3.65

What is 21.01

Subtracting Decimals

100

Estimate the difference 

7.42-1.89

What is 7-2=5

200

2.64-1.22

What is 2.42

300

0.91- 0.50

What is 0.41

400

24.09-13.66

What is 10.43

500

43.46-8.08

What is 35.38

Mystery

100

 34,634 in expanded form

What is 

30,000+4,000+600+30+4, 30000+4000+600+30+4

200

 5.514 x 100,000

What is 551400 

300

 10⁵

What is 10x10x10x10x10

400

1,000 as an exponent?

10³

500

Fill in the blank 24.51x____=2451.0

What is 100 or 10²