Representing Decimals
Writing Expressions
Evaluating Expressions
Adding and Subtracting Decimals
Word problems
100

Write the decimal thirteen hundredths in standard form

What is 0.13

100

Write an expression for:

8 more than a number

What is 8 + n

100

Evaluate. n = 46

n + 86 

What is 46 + 86 = 132

100
Add the decimals 43.28 + 31.45
What is 74.73
100

Which country has the greatest area—Brazil: 3,284,426 square miles; Canada: 3,851,787 square miles; or the United States: 3,623,420 square miles?

What is Canada

200

What place value is italicized,

16.1876?

What is the ones place

200

Write an expression for:

a number decreased by 200

What is n - 200

200

Evaluate.  y - 14, when y = 32 

What is 32 -14 = 18

200
Add the decimals 0.724 + 6.458
What is 7.182
200

Ed ran 9.75 mi on Friday and 13.6 mi on Saturday. How much farther did he run on Saturday?

What is 3.85 miles

300

Write 8.051 in word form

What is eight and fifty one thousandths

300

Write an expression for:

15 less than a number

What is n - 15

300

Evaluate n + 58.07 when n = 31.29

What is 31.29 + 58.07 = 89.36

300
Add the Decimals 1.325 + 0.081
What is 1.406
300

Luis drove from New York to Chicago. The odometer read 32,949.25 when he started. It read 33,751.89 when he reached Chicago. How far did Luis travel?

What is 802.64 miles

400

Write two and twenty-one ten-thousandths in standard form

What is 2.0021

400

Write an expression for and state what kind of expression it is:

ten decreased by 0.5

What is 10 - 5 and numerical expression

400

Evaluate: 12.045 + 12.3 + n, when n = 11.56

What is 12.045 + 12.3 + 11.56 = 35.905

400

Subtract the decimals 148.93 - 121.36

What is 27.57

400

Mai builds a mountain for her train set. She uses 2.4 yd of green cloth as grass, 1.75 yd of white cloth as snow, and 0.8 yd of brown cloth as dirt roads. Does Mai use more than 4.5 yd of cloth?

What is 2.4 + 1.75 + .8 = 4.95 which is greater than 4.5. YES.

500

Write ninety-one billion, fifty and four hundred six thousandths in standard form.

What is 91,000,000,050.406

500

Write an expression for and state what kind of expression it is:

Dana worked for 7 hours on Thursday, 8 hours on Friday, and is scheduled to work Saturday. How many hours will she work this week?

What is 7 + 8 + h and an algebraic expression

500

Evaluate 14.9 - c + d, when c = 0.75 and d = 2.06 

What is 14.9 - 0.75 + 2.06 = 16.21

500

Subtract the decimals 248 - 131.48

What is 116.52

500

Abbey scores 9.985, 8.895, 9.110, and 9.65 in four gymnastics events. A perfect score is 40.00. How many more points would Abbey have needed to receive a perfect score?

What is 9.985 + 8.895 + 9.110 + 9.65 = 37.94

40 - 37.94 = 2.36 points

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