Name: 
 

Ch. 2.1-2.5 Practice



 1. 

Evaluate the expression mc001-1.jpg.
a.
mc001-2.jpg
b.
mc001-3.jpg
c.
mc001-4.jpg
d.
mc001-5.jpg
 

 2. 

The chart below shows the low temperature on January 11 for five towns.

mc002-1.jpg

Which town had the second-lowest temperature?
a.
Hermiton
b.
Weaver
c.
Rapids
d.
Doeville
 

 3. 

Select the description that matches the graph.

mc003-1.jpg
a.
integers greater than or equal to –5
b.
integers less than or equal to –6
c.
integers less than or equal to –7
d.
integers greater than or equal to –6
 

 4. 

An elevator in Casson's department store started on the ground floor. It went up  7 floors,  down 8 floors, up  7 floors, and down  3 floors. Which expression could be used to find the total number of floors through which the elevator passed?
a.
mc004-1.jpg
c.
mc004-3.jpg
b.
mc004-2.jpg
d.
mc004-4.jpg
 

 5. 

Use the concept of opposites to simplify mc005-1.jpg
a.
4
b.
mc005-2.jpg
c.
mc005-3.jpg
d.
mc005-4.jpg
 

 6. 

Use a number line to find the sum. –4 + (–13)
a.
9
b.
–17
c.
–9
d.
17
 

 7. 

Using rules of addition, show how to add the two real numbers. –6 + (–15)
a.
–(6 – 15)
–9
b.
–(6 + 15)
–21
c.
–(6 + 15)
9
d.
(6 + 15)
21
 

 8. 

Which of the following illustrates the associative property of addition?
a.
7 + (2 + 3) = 7 + (2 + 3)
c.
2 + 4 = 4 + 2
b.
(11 + 12) + 3 = 11 + (12 + 3)
d.
6 + 3 = 9 + 0
 

 9. 

Which of the following illustrates the associative property of addition?
a.
(11 + 8) + 5 = 11 + (8 + 5)
b.
3 + (3 + 1) = 3 + (3 + 1)
c.
6 + 5 = 11 + 0
d.
3 + 1 = 1 + 3
 

 10. 

MNP, and  Q are four points on the number line below.

mc010-1.jpg

Which pair represents two numbers that have a sum that is less than the smaller of the pair?
a.
M and  Q
b.
N and  Q
c.
N and  P
d.
P and  Q
 
 
Find the difference.
 

 11. 

–99 mc011-1.jpg 85
a.
–14
b.
–184
c.
184
d.
14
 
 
Evaluate.
 

 12. 

–(–4) – (–5) + 6
a.
3
b.
–3
c.
5
d.
15
 

 13. 

On Monday, Kevin wrote a check for $575 to pay his rent. On Tuesday, he deposited a tax refund check for $638. On Friday, he wrote checks for $75 for groceries and $266 for a car repair. Which integer shows the overall change in his checking account balance for the week, in dollars?
a.
mc013-1.jpg
b.
mc013-2.jpg
c.
mc013-3.jpg
d.
mc013-4.jpg
 
 
Find the change in temperature.
 

 14. 

From –13ºC to 15ºC
a.
–28ºC
b.
2ºC
c.
–2ºC
d.
28ºC
 
 
Find the product.
 

 15. 

–5 (–2)
a.
–7
b.
10
c.
–10
d.
–3
 
 
Find the product:
 

 16. 

(–7)(5)(6)
a.
–210
b.
210
c.
–4
d.
4
 

 17. 

Identify the product that will be negative.
a.
mc017-1.jpg
c.
mc017-3.jpg
b.
mc017-2.jpg
d.
mc017-4.jpg
 

 18. 

Which multiplication property is illustrated by the product  mc018-1.jpg
a.
associative
c.
commutative
b.
property of opposite
d.
identity
 
 
Identify the property illustrated in the statement.
 

 19. 

mc019-1.jpg
a.
Associative property of multiplication
b.
Associative property of addition
c.
Commutative property of multiplication
d.
Commutative property of addition
 

 20. 

mc020-1.jpg
a.
Commutative property of addition
b.
Commutative property of multiplication
c.
Identity property of multiplication
d.
Identity property of addition
 
 
Use the Distributive Property to write an equivalent expression.
 

 21. 

mc021-1.jpg
a.
mc021-2.jpg
b.
mc021-3.jpg
c.
mc021-4.jpg
d.
mc021-5.jpg
 
 
Use the distributive property to write an equivalent variable expression.
 

 22. 

mc022-1.jpg
a.
mc022-2.jpg
b.
mc022-3.jpg
c.
mc022-4.jpg
d.
mc022-5.jpg
 

 23. 

–4(x – 4)
a.
–4x – 4
b.
–4x + 16
c.
–4x – 16
d.
–4x + 4
 
 
Identify the terms, like terms, coefficients, and constant terms. Then simplify the expression.
 

 24. 

mc024-1.jpg
a.
terms:  mc024-2.jpg
like terms:  mc024-3.jpg
coefficients:  mc024-4.jpg
constant terms:  mc024-5.jpg
simplified expression:  mc024-6.jpg
b.
terms:  mc024-7.jpg
like terms:  mc024-8.jpg
coefficients:  mc024-9.jpg
constant terms:  mc024-10.jpg
simplified expression:  mc024-11.jpg
c.
terms:  mc024-12.jpg
like terms:  mc024-13.jpg
coefficients:  mc024-14.jpg
constant terms:  mc024-15.jpg
simplified expression:  mc024-16.jpg
d.
terms:  mc024-17.jpg
like terms:  mc024-18.jpg
coefficients:  mc024-19.jpg
constant terms:  mc024-20.jpg
simplified expression:  mc024-21.jpg
 
 
Simplify:
 

 25. 

mc025-1.jpg
a.
mc025-2.jpg
b.
mc025-3.jpg
c.
mc025-4.jpg
d.
mc025-5.jpg
 
 
Writing:
 

 26. 

Maria wrote this mathematical sentence: mc026-1.jpg Explain her mistake and how to correct it.
a.
When Maria combined the like terms, she should have multiplied the coefficients; the correct answer is mc026-2.jpg
b.
When Maria combined the like terms, she should have multiplied the exponents and the exponents; the correct answer is mc026-3.jpg
c.
When Maria combined the like terms, she should have multiplied the coefficients; the correct answer is mc026-4.jpg
d.
When Maria combined the like terms, she should not have added the exponents. When adding like terms, the sum is also a like term; the correct answer is mc026-5.jpg
 

 27. 

Bill wants to simplify the following expression.
  mc027-1.jpg
Which of the following expressions is equivalent to the expression above?
a.
mc027-2.jpg
b.
mc027-3.jpg
c.
mc027-4.jpg
d.
mc027-5.jpg
 

 28. 

Simplify  mc028-1.jpg
a.
mc028-2.jpg
b.
mc028-3.jpg
c.
mc028-4.jpg
d.
mc028-5.jpg
 



 
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