Adding Decimals
Adding Decimals
0.4 + 0.6
1.0
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Subtracting Decimals
0.22 - 0.11
0.11
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Multiplying Fractions
5/11 x 1/2
5/22
Dividing Fractions
3/4 divided by 4/5
15/16
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Hair grows about 1.27 centimeters each month. How much does hair grow in 4 months?
5.08 cm
Adding Decimals
1.3 + 2.8
4.1
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Subtracting Fractions
2.3 - 0.5
1.8
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Multiplying Fractions
5/6 x 8/5
1 1/3
Dividing Fractions
2/4 divided by 2/5
1 1/4
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A platinum nugget weighs 3 1/2 ounces. How many 1/4 -ounce pieces can be cut from the nugget?
14
Adding Decimals
0.459 + 0.132
0.591
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Subtracting Fractions
0.781 - 0.235
0.546
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Multiplying Decimals
26.174 x 79
2,067.746
Dividing Decimals
8.9 divided by 0.356
25
Vehicles must weigh no more than 10.75 tons to cross a bridge. A truck weighs 11.638 tons. By how many tons does the truck exceed the weight limit?
0.888 ton
Adding Decimals
1.38 + 0.99
2.37
Subtracting Decimals
6 - 4.68
1.32
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Multiplying Decimals
0.051 x 0.244
0.012444
Dividing Decimals
21.85 divided by 3.8
5.75
A person’s running stride is about 1.14 times the person’s height. Your friend’s stride is 5.472 feet. How tall is your friend?
4.8 ft.
Adding Decimals
If Simon has $3.86 in his pocket and finds $2.21 in his classroom at the end of the day, how much money does he have in total?
$6.07
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Subtracting Decimals
If Ian has $10.25 to buy lunch today and Myranda offers to sell him an apple for $1.99, how much money would he have left after buying the apple?
$8.26
Charlotte is really fast at grading. She can grade 1 5/8 classes' tests in an hour. If she has 2 1/2 hours to grade, how many tests will she be able to finish?
4 1/16 tests
Dividing Fractions
Francine used 5/7 meters of yarn to string one notebook. If she has 70 meters of yarn, how many notebooks can she string?
98 notebooks
To approximate the number of bees in a hive, multiply the number of bees that leave the hive in one minute by 3 and divide by 0.014. You count 25 bees leaving a hive in one minute. How many bees are in the hive?
about 5357