Name ________________________________________ Date __________________ Class __________________
UNIT
1
The Number System
Unit Test: A
1. The temperature at noon was −3°C. By
10 P.M. on the same day the temperature
decreased by 5.4°. What was the
temperature at 10 P.M.?
A −8.4°C
C −2.4°C
B −5.4°C
D 1.6°C
6. The number of students enrolled at Hill
School decreased by 120 students over
an 8-year period. What was the average
decrease in student enrollment per year?
________________________________________
7. Alexis sold boxes of homemade granola
bars for $8.50 each. It costs her $2.25 to
bake and package each box of granola
bars. What was her profit from selling
each box of granola bars?
2. Derek spends $3 on breakfast and $5.50
on lunch every school day. How much
does he spend on breakfast and lunch in
a school week?
A $38.50
C $49.90
B $42.50
D $59.50
________________________________________
3. What is the value of (−4.5)(−8.25)?
A −37.125
C 3.75
B −12.75
D 37.125
5
8
pounds. What is the weight of her
backpack expressed as a decimal?
8. Alexandra’s backpack weighs 7
4. An artist is cutting pieces of ribbon to
use in a project. Each piece he cuts
7
measures
inch. The artist cuts off
8
5 pieces. How many total inches of ribbon
has he cut off?
A 4
1
8
C 5
5
7
B 4
3
8
D 5
7
8
________________________________________
9. A sandwich costs $4.25 and a fruit drink
costs $1.85. How much change will you
get from a $10 bill?
________________________________________
10. Which of the following fractions is
equivalent to a repeating decimal? Select
Yes or No.
5. An airplane took off and reached an
altitude of 10,000 feet in 25 minutes. How
many feet per minute, on average, did the
airplane climb?
A 400
B 500
C 600
D 2,500
A
1
5
Yes
No
B
5
8
Yes
No
C
2
3
Yes
No
D
4
9
Yes
No
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
67
Name ________________________________________ Date __________________ Class __________________
UNIT
1
The Number System
Unit Test: A
18. What is the quotient of −5.2 ÷ 3.9?
11. The elevation of New Orleans, Louisiana
is on average 8 feet below sea level.
The elevation of El Centro, California is
39 feet below sea level. What is the
difference in elevation between the two
cities?
________________________________________
19. Gail read
2
of a book on Monday and
15
3
of the book on Tuesday. What fraction
5
of the book did she read on Monday and
Tuesday?
________________________________________
3
5
cup of sugar with 1 cups
8
6
of water. How many more cups of water
than sugar did he use in his mixture?
12. Jalil mixed
________________________________________
5
of the students like
8
math class. If there are 208 students,
how many of them like math?
20. At Benito’s school,
________________________________________
13. What is the product of −3.4 and 2.5?
________________________________________
________________________________________
14. Fatima wants to purchase a scarf for
$45.00 and a sweater for $77.50. If she
currently has $100, how much more
money does she need to purchase the
two items?
1
3
feet tall. Jane is 5 feet
2
8
tall. Who is taller? Justify your answer.
21. Kevin is 5
________________________________________
________________________________________
22. Beatrice built about
15. Arnaud paid $350 for a rug. The price of
2
the rug that Bill purchased was
the
5
price that Arnaud paid. How much did Bill
pay for his rug?
1
of a sandcastle.
3
4
of the same castle. What
7
fraction of the sandcastle did they build
together?
Linda built
________________________________________
________________________________________
23. In Priya’s math class there are 10 boys
and 15 girls. What is the ratio of boys to
girls in Priya’s math class? Express your
answer as a decimal.
16. The Martin family spent $518 on
groceries in one week. What is the
average amount the family spent on
groceries per day?
________________________________________
________________________________________
17. What is the average of −2.5, 5.2, 1.7, and
−0.8?
________________________________________
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
68
Answer Key
Unit Tests and Performance Tasks
7. 120
UNIT 1 The Number System
8. $462.50
Unit 1 Test: A
9. 12
1. A
10. 19°
2. B
11. A Yes, B No, C Yes, D No
3. D
12. C
4. B
13. 8.15 fl oz
5. A
14.
6. 15
15. 2,625
7. $6.25
16. $325
8. 7.625
17. $280
9. $3.90
18. 165
10. A No, B No, C Yes, D Yes
19. $10.05
11. 31 ft
12. 1
5
8
20. −1.38
11
c
24
21. $102
13. −8.5
22. 3.6875 lb
14. $22.50
23. 28 questions
15. $140
24.
16. $74
17. 0.9
Unit 1 Test: C
18. − 1.3
19.
1. $12.15
2. B
11
15
3. $4.25
20. 130 students
21. Kevin; 5
22.
13
15
4. $75,000
5. January
1
3
> 5
2
8
6. $120
19
21
7. A
8. $173.70
23. 0.6
9. 3
2
mi
3
10. 4
1
lb
4
Unit 1 Test: B
1. 23
2. $33.00
11. accept 1 or 1.5
3. 90
12. $5.42
4. A
13. Farmer’s market;
5. A
6. −11
4
2
> .
7
5
14. $11.50
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
168