Powers of 10
Rounding, Comparing, and writing Decimals
Adding and Subtracting Decimals
Adding and Subtracting Fractions
Word Problems
100

103 = ?

1,000

100

Compare 45.89 _____ 45.089

>

100

1.45 + 2.65

4.10

100

1/3 +1/4

7/12
100

Diana bought 7.77 gallons of orange juice and used 6.07 gallons of it to make popsicles. How much orange juice does Diana have left?

1.70

200

0.70 x ____ = 7

10or 10

200

Write this number in standard form: (7 x 1,000) + (3 x 100) + (2 x 10) + (8 x 1/10) + (2 x 1/1000)

7,320.802

200

23.45 - 12.32

11.13

200

2/3 - 1/5

7/15

200

Ellie got a $20 gift card for the craft store. She bought some chalk markers for $8.79, some yarn for $2.69, and some beads for $6.98. What is the value left on Ellie's gift card? 

$1.54

300

____ x 0.003 = 30

104

300

Compare 3.03 ____ 3.33

<

300

27.1 + 15.81

42.91

300

2/3 + 1/2

7/6 or 1  1/6

300

Abby eats oatmeal for breakfast every day. She checked her pantry this morning, and realized that she had only 4 2/6 cups of instant oatmeal and 8 1/3 cups of old-fashioned oatmeal. How much oatmeal did Abby have in her pantry?

12  4/6 or 12  2/3

400

5 x 10= ?

5,000

400

Round 45.259 to the nearest whole number.

45

400

85.3 - 41.56

43.74

400

2  1/4 + 3  2/5

5  13/20

400

A class that saved up to buy 8  2/5 pounds of mixed candy has consumed 4 1/3 pounds of it so far. How much candy is left?

4  1/15

500

0.04 x _____ = 4

102

500

Which of the following round to 2.5: 2.48, 2.42, 2.45, 2.58, 2.52

2.48, 2.45, 2.52

500

500 - 125.26

374.74

500

5  1/5 - 3  1/2

1  7/10

500

Lila's Road Paving Company mixed 7 1/4 tons of cement. They used 2 3/5 tons of the cement to pave a street downtown. How much cement did they have left?

4  13/20

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