UNIT 5 REVIEW

A

100

Calculate 4.52 + 2.38

6.90

200

If you have a budget of $50 and you spend $12.34 on a gift and $15.67 on a meal, how much money do you have left?

$21.99

300

Solve 2.3 × 1.4

3.22

400

What is 15.6 ÷ 3.9?

4

500

Calculate 6.78 - 2.34

4.44

B

100

Solve 9.8 - 4.35

5.45

200

What is 8.45 - 3.67?

4.78

300

When multiplying decimals, count the total number of _______ places in both numbers

DECIMAL

400

Calculate 1.25 × 3.2

4

500

Solve 2.5 × 2.4

6

C

100

What is 5.67 + 3.45 + 2.12?

11.24

200

Find 7.89 + 4.56

12.45

300

A ribbon is 7.85 meters long. If 2.3 meters are cut off, how much ribbon is left?

5.55

400

12.6 ÷ 2.1

6

500

If a car travels 150 miles using 8 gallons of gas, what is the car's average miles per gallon?

18.825

D

100

When you add decimals, you should align the _______ before calculating

DECIMAL POINT 

200

Dividing decimals involves moving the decimal point to the _________ when necessary

RIGHT

300

Sarah bought 3.5 pounds of apples at $3.00 per pound. How much did she spend in total?

$10.50

400

A bag contains 4.2 pounds of flour. If the flour is divided equally into 7 bags, how much flour is in each bag

.6 POUNDS

500

Calculate 3.45 + 5.67

9.12

E

100

To subtract decimals, it is necessary to line up the_______ point

DECIMAL

200

James has $25.60. He buys a book that costs $13.75. How much money does he have left?

$11.85

300

Explain how you would solve a problem that involves adding three decimal numbers: 4.56, 2.78, and 1.23

and solve 

First you stack the numbers with the decimal points lined up.

then you add up the numbers starting on the right 

answer is 8.57 

400

Find 8.90 - 3.45

5.45

500

Solve 4.2 × 1.5

6.3