Math 6, Unit 02 Practice Test: Decimals
Name:
Date:
1. Define decimal and give an example.
2. Describe how to determine which decimal value is larger: 10.09 or 10.0355 ?
3. Write the algorithm for multiplying decimals.
4. What is the value of the digit 4 in the number 38.145 ?
A.
B.
C.
D.
5.
4 hundredths
4 ones
4 tens
4 thousandths
Graph the following rational numbers on the number line below.
2.7,  3, 0.6, 3.45,  1.71
6. A speed skater was timed for four individual laps. The first lap was 40.7 seconds, the second
lap 40.737 seconds, the next lap 40.37 seconds and the last lap 40.387 seconds. What is the
correct order of the times from the least amount of time to the greatest amount of time?
A.
B.
C.
D.
40.37
40.37
40.387
40.387
Math 6 Practice Test
40.7
40.387
40.37
40.37
40.387
40.7
40.7
40.737
40.737
40.737
40.737
40.7
Unit 02: Decimals
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7. Round 12.3155 to the nearest tenth.
8. In which set are the numbers all between 0.6 and 1.86?
A.
B.
C.
D.
0.745, 2, 1.75
0.607, 1.87, 1.206
0.7, 1.37, 1.8
0.49, 1.06, 1.972
9. Carmen bought the following lengths of ribbon.
Blue ribbon: 3.15 yards
Yellow ribbon: 4.72 yards
Green ribbon: 1.87 yards
Which is the best ESTIMATE of the total number of yards of ribbon Carmen bought? Show
your work.
A. 8 yards
B. 9 yards
C. 10 yards
D. 11 yards
10. Simplify.
a. 4.3 
b.   1.7  
c. The opposite of the opposite of 3.12
is __________.
11. Arnold bought a computer during a store promotion that allowed him to pay for it over time.
His current account balance for this purchase is less than  575 dollars. Describe Arnold’s debt to
the store.
12. Find the sum. Show your work.
2.21  3  23.947
13.
Evaluate. Show your work.
41  8.02
14. Find the product. Show your work.
3.41 0.26
15.
Find the quotient. Show your work.
0.85  5
Math 6 Practice Test
Unit 02: Decimals
2015 - 16
Page 2 of 4
16. Evaluate. Show your work.
17.
Find the quotient. Show your work.
.31 13.268
0.6 4.83
18. A teacher is distributing string to students. She starts with a piece of string 30 meters (m)
long. The first length of string she gives to a student is 11.3 m long. The next student received
string that is 5.6 m long. The third length given is 8.23 m long. The remainder goes to the fourth
student. What is the length of string given to the fourth student? Show your work.
A. 25.13 m
B. 9.92 m
C. 4.97 m
D. 4.87 m
19. Jenny went to the store and bought a shirt for $17.95, a pair of jeans for $23.59, a pair of shoes
for $29.99, and a scarf for $4.84. What was her total bill? If Jenny paid the bill with a four $20
bills, how much change should she receive? Show your work
Math 6 Practice Test
Unit 02: Decimals
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20. There are 250 students going on a field trip. If each bus holds 58 students, how many buses are
needed for the field trip? Explain your thinking.
21. The star Alpha Centauri is 4.3 light years away from Earth. The star Betelgeuse is about 121
times as far from Earth as Alpha Centauri. About how many light years away from Earth is
Betelgeuse?
Long term memory review:
22. Graph the following ordered pairs on
the graph below and label each point.
A ( 0, 7 ) B ( 4 , 7 ) C ( 9 , 0)
D (4,  6)
E ( 7, 3)
Math 6 Practice Test
23. Write the ordered pair for the
missing point that could complete
the rectangle below. Identify what
Quadrant it is
located in.
Unit 02: Decimals
2015 - 16
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