Ordering & Estimating Decimals
Adding and Subtracting Decimals
Scientific Notation
Multiplying Decimals
Dividing Decimals
100
Write the expanded form of 1.98
What is 1 + 0.9 + 0.08
100
2.7 + 0.3
3
100
5,937 x 1000
5,937,000
100
0.6 x 0.4
0.24
100
0.91 divided by 7
0.13
200
Write the standard and word from of 0.07 + 0.006 + 0.0005
0.0765 seven hundred sixty-five ten-thousandths
200
4.35 + 1.6
5.95
200
1.4 x 10 to the fourth power
14,000
200
0.0008 x 0.05
0.000040 or 0.00004
200
4.68 divided by 9
0.52
300
Order the decimals from least to greatest 15.25; 15.2; 15.05
15.05; 15.2; 15.25
300
8.9 - 4
4.9
300
6.793 x 10 to the 6th power
6,793,000
300
3.96 x 0.4
1.584
300
2.84 divided by 8
0.355
400
Estimate by rounding to the nearest hundredths place: 7.504 - 2.3792
5.12
400
9.67 - 1.001
8.699
400
Write 150,000 in scientific notation.
1.5 x 10 to the 5th power
400
2.15 x 1.5
3.225
400
20.7 divided by 0.6
34.5
500
Use compatible numbers to estimate the quotient of 11.509 divided by 4.258
Acceptable answers: 12/4 = 3 10/5 = 2
500
Evaluate 5.35 - m for m = 0.402
4.948 (substitute!!)
500
Write 20,800 in scientific notation.
2.08 x 10 to the 4th power
500
8.2 x 4.1
33.62
500
8.43 divided by 0.12
70.25
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