Study Island
Copyright © 2014 Edmentum - All rights reserved.
Generation Date: 04/03/2014
Generated By: Cheryl Shelton
Title: Grade 7 - Number System
1. Simplify the following expression.
83.44 × 0.26
A. 13.3504
B. 216.944
C. 21.7204
D. 21.6944
2. Convert the following fraction to a decimal.
A.
B.
C.
D.
3. Indicate which property is illustrated in Step 4.
Step 1
Step 2
Step 3
Step 4
Step 5
(-3) + 3 + 9(10 + 6) + = (-3) + 3 + (9 • 10) + (9 • 6)
= (-3) + 3 + (90) + (54)
= (-3) + 3 + 144
= 0 + 144
= 144
A. inverse property of multiplication
B. associative property of multiplication
C. inverse property of addition
D. commutative property of division
4. Indicate which property is illustrated in Step 2.
Step 1
Step 2
Step 3
Step 4
7 + (5 + 10) + 0 = 7 + (10 + 5) + 0
= (7 + 10) + (5 + 0)
= (7 + 10) + 5
= 17 + 5
A. distributive property
B. associative property of addition
C. associative property of multiplication
D. commutative property of addition
5. Marsha is driving 600 total miles on a trip. She has already driven of the distance. How far
has Marsha driven?
A.
B.
C.
D.
6.
Use properties of rational numbers to multiply the following.
A. -25
B. -15
C. -50
D. -300.00
7. Use properties of operations to find the quotient.
A.
B.
C.
D.
8. Use properties of rational numbers to multiply the following.
-10 × (-36)
A. 180
B. 360
C. -180
D. -360
9. Simplify the following complex fraction.
A.
B.
C.
D.
10. Use properties of rational numbers to simplify the expression.
189.06 + 0.42 + 36
A. 225.42
B. 225.48
C. 193.08
D. 229.26
11. A diver descended at a constant rate of 16.26 feet every 3 minutes. Which of the following is
true?
A.
B.
C.
D.
After one minute, the diver was at -8.13 feet.
After one minute, the diver was at -5.42 feet.
After one minute, the diver was at 5.42 feet.
After one minute, the diver was at 8.13 feet.
12. Jake took out an interest-free loan of $3,810.45 from the bank to buy a car. He paid the bank
$200.55 each month until it was paid back completely. Which of the following is true?
A. Jake paid his loan back in 21 months.
B. Jake paid his loan back in 19 months.
C. Jake paid his loan back in 18 months.
D. Jake paid his loan back in 20 months.
13. Simplify the following expression.
-11 × (-9)
A. -20
B. 99
C. 20
D. -99
14. Use properties of rational numbers to multiply the following.
A. 103
B. 33
C. 90
D. 26
15. Simplify the following expression.
A.
B.
C.
D.
16.
Which of the following can be added to the number indicated on the number line above to sum to
0?
A.
B.
C.
D.
17. Selene's checking account balance was -$32, and then she withdrew $44 more. What is her
checking account balance after the withdrawal?
A. $76
B. -$76
C. $12
D. -$12
18.
Which of the following can be added to the number indicated on the number line above to sum to
0?
A.
B.
C.
D.
19. The temperature outside is -1°F, and the wind chill is -15°F. What is the difference between
the temperature and the wind chill?
A. 16°F
B. 14°F
C. -14°F
D. -16°F
20. Simplify the following expression.
A.
B.
C.
D.