Chapter 2
3.2 + 0.91 + 6 =
10.11
38.5 - 21.392 =
17.108
Troy jogs 5 miles on Monday, 6.05 miles on Tuesday, and 8.7 miles on Wednesday. How many total miles does Troy jog in three days?
5 + 6.05 + 8.7 = 19.75 miles
Label the place value for the underlined number.
786.34
Tenths
Label the place value for the underlined number.
624.555
Thousandths
Compare each pair of decimals. Write < or >.
2.04 ____ ___ 2.044
2.04 ____< ___ 2.044
0.2360 / 0.05 =
4.72
Compare each pair of decimals. Write < or >.
8.43 _________ 8.340
8.43 ___>______ 8.340
Label the place value for the underlined number.
3.267989
Millionths
Round to the nearest tenth.
2.6345
2.6
Changing Fraction to decimals.
62/500
0.124
Divide or multiply decimals by the power of 10:
2.36 • 102 =
236
Changing Fraction to decimals.
23/100
0.23
Divide or multiply decimals by the power of 10:
0.08 /100 =
0.0008
Divide or multiply decimals by the power of 10:
243.2 / 103 =
0.2432
Find the circumference of the circle: π = 3.14 ***π • diameter = circumference***
Diameter = 10 inches
31.4
Round to the nearest hundredth.
1.8092
1.81
Round to the nearest thousandth.
2.6345
2.635
Round to the nearest tenth.
2.6345
2.6
Find the circumference of the circle: π = 3.14 ***π • diameter = circumference***
Diameter = 25 inches
78.5
Write Each Decimal as a fraction
0.28
7/25
Brian works 35.5 hours a week. If he earns $15.75 an hour, how much does Brian make in a week. Round your answer to the nearest hundredth. ( • )
35.5 • $15.75 = $559.13
Elena bought 3.5 yards of fabric for $32.75. What was the cost of the fabric per yard to the nearest cent? (Must round to the nearest cent) ( / )
$32.75 / 3.5 = $9.357 = $9.36
Write Each Decimal as a fraction
0.625
5/8
Write Each Decimal as a fraction
0.004
1/250