Adding and Subtracting Decimals
Evaluate the expression. Write the answer as a decimal: 14.23 + 5.16
19.39
Multiply. Write the answer in simplest form: 1/3 x 2/5
2/15
Divide. Write the answer as a fraction in simplest form: 2/5 divided by 3
2/15
Multiply: 0.4 x 0.2
0.08
Divide. Write the answer as a decimal: 8.4 divided by 2.
4.2
Evaluate the expression. Write the answer as a decimal: 32.48 - 18.25
14.23
Multiply. Write the answer in simplest form: 15x 3/5
9
Divide. Write the answer as a fraction in simplest form: 5/6 divided by 2/3
1 1/4 or 5/4
Multiply: 3.5x1.4
4.9
Divide. Write the answer as a decimal: 6.32 divided by 16.
0.395
Evaluate the expression. Write the answer as a decimal: 18.425 - 12.302 + 7.214
13.337
Multiply. Write the answer as a mixed number in simplest form: 1 1/2x 2 5/6
3 1/2
You have 3 cups of chocolate chips. A cookie recipe calls for 2/3 cup of chocolate chips per batch. How many full batches can you make?
4 full batches (since its 4 1/2, you don't have a full 5 batches)
Multiply:0.08x14.2
1.136
Divide. Write the answer as a decimal: 0.576 divided by 0.18.
3.2
A storage box can hold a maximum of 12.5 pounds. You place two books inside weighing 3.2 pounds and 5.45 pounds. How many more pounds can the box hold?
3.85 pounds
Multiply. Write the answer as a mixed number in simplest form: 2 1/4 x 1 5/6
4 1/8
Evaluate the expression. Write the answer as a fraction or mixed number in simplest form: 2+ 3/5 x (5/8 divided by 3/4)
2 1/2
Multiply: 0.005 x 312.4
1.562
Divide. Write the answer as a decimal: 2.925 divided by 0.45.
6.5
A worker needs 15.4 meters of copper pipe. They have three pieces measuring 2.85 meters, 4.3 meters, and 3.95 meters. How many more meters of pipe do they need?
4.3 meters
Evaluate the expression. Write the answer as a fraction or mixed number in simplest form: 1/2 + 1/3 x (2 1/2 x 4/5)
1 1/6
A woodworker has a board that is 5 1/5 feet long. How many 3/8 foot long pieces can be cut from the board?
14
A gas station charges $3.85 per gallon. If a driver buys $12.4 gallons of fuel, how much do they spend? Round to the nearest cent if necessary.
47.74
A marathon runner completes a 26.2 mile course in 4 hours. What was their average speed in miles per hour? Write your answer as a decimal.
6.55 miles per hour