Comparing, Ordering, and Rounding Decimals
Adding & Subtracting Decimals
Multiplying & Dividing Decimals
Scientific Notation
Metric Units
100
Complete the statement using <, >, or =. 77.08 _____ 77.80
77.08 < 77.80
100
25.6 + 7.8
33.4
100
14.62 · 9
131.58
100
Write the number in scientific notation. 10,000
1 x 104
100
Match the object with the appropriate capacity: Watering can, cup of soup, teaspoon. 300mL, 5mL, 3.78L
Watering Can = 3.78L, Cup of Soup = 300mL, Teaspoon = 5mL
200
Complete the statement using <, >, or =. 74.1 _____ 74.0128
74.1 > 74.0128
200
What is the leading digit in this number: 0.0083429
8 (first non-zero)
200
122.88 ÷ 12
10.24
200
Write the number in standard form. 9 x 1011
900,000,000,000
200
Complete the statement using <, >, or =. 420mm _____ 4.2 cm
420mm > 4.2cm
300
Order the numbers from least to greatest. 10.02, 1.003, 1.05, 10.2
1.003, 1.05, 10.02, 10.2
300
3.2 - 0.5
2.7
300
2.68 ÷ 0.4
6.7
300
Write the number in scientific notation. 375,240,000,000,000,000
3.7524 x 1017
300
A bookcase is 1.98 meters tall, and its shelves are 33 centimeters apart. How many shelves are in the bookcase?
There are 6 shelves in the bookcase.
400
Round the decimal to the nearest tenth. 9.66
9.7
400
10.08 + 19.366
29.446
400
Find the area of a rectangle that is 3.9 in by 5.5 in.
21.45 sq in.
400
In the year 2000, an estimated 7.8 x 107 people spoke standard Korean as their first language and an estimated 3.41 x 108 people spoke English as their first language. In the year 2000, which language had more speakers?
English
400
35,100g = ______ kg
35.1 kg
500
Round the decimal to the nearest hundredth. 85.1008
85.10
500
Evaluate 14.08 - x + y when x=6.8 and y=5.27
14.08 - 6.8 + 5.27 = 12.55
500
The local store has a sale on blank CDs. If a package of 25 blank CDs costs $12.99, what is the cost of one CD? Round your answer to the nearest cent.
$0.52 or 52 cents
500
Subtract 5.127 x 105 from 4.23 x 106. Express your answer in scientific notation.
3.7173 x 106
500
The bee hummingbird, the world's smallest bird, is only 6.3cm long. THe ostrich, one of the world's tallest birds, can reach a height of 2.5m. How much longer, in centimeters, is the ostrich than the bee hummingbird?
The ostrich is 243.7cm longer than the bee hummingbird.
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