Practice Page

Directions: Read carefully and choose the best answer.

1.
Simplify: p71

Choose:
 
336
204
-276
-336
pracA2

 

 

2.
The altitude of a soaring glider changed -420 feet in 10 minutes. What was the mean change of altitude in feet per minute?

Choose:
 
42
-42
70
-70
pracA1

 

 

3.
To which of the following questions could the answer be zero?
Choose:
 
The temperature in the morning was -10º F and it rose to +10º F by afternoon. By how much did the temperature rise between these two readings?
  Elevation changes from -60 feet to + 60 feet. By how many feet does this elevation change?
  From a cliff 7 feet above a pond, a diver jumps into the pond, sinks 7 feet into the water, and then swims up to the surface. How many feet does the diver swim?
  From a starting point, a hiker walks 5.4 miles due west. He then walks 5.4 miles due east. How many miles is the hiker now from his starting point?

 

 

4.
The number line shown below indicates the location of point A.
If the distance between point B and point A is 3½ units, which number could represent the location of point B? numberlineprac

Choose:
 
3½
1½
-2½
-4½

 

 

5.
Simplify: prac5

Choose:
 
n416
416
n279
279
pracA6

 

 

6.
Which expressions are equivalent to eqto1 ?
(Check all that apply!)
 

eqs4

eqs5

eqs7

eqs3

eqs2


eqs10


        

pracA5

 

 

7.
Which situation could use the quotient of -36 ÷ 4 to answer the question?

Choose:
 
A candy jar contains 36 candies. If each child takes 4 cookies, how many children can take cookies from the jar?

  Alan withdrew $36 from his bank account over 4 days. If he withdrew the same amount each day, by how much did the amount in his account change each day?
  During a card game of Gin Rummy, Carly lost 36 points on the first hand, but gained 4 points on the second hand. How many total points did she gain on the two hands?
  During an experiment, the temperature of a beaker decreased 36º per hour for 4 hours. What was the overall change of the temperature of the beaker?

 

 

8.
Simplify: prac9

Choose:
 
-39
-9
15
39
pracA7

 

 

9.
Which expressions have positive products?
(Check all that apply!)
 

pos1

(-14)(0.12)(-8)

pos2

(7)(-4)(-9)(3)

pos3

(-3.2)(-5.6)(2.9)(-0.4)


        

pracA4

 

 

10.
A number, n, is multiplied by neg34.
If this product is -0.25, what is the value of n?

Choose:
 
neg13
13
neg23
23
fairy10

 

 

11.
Find the value of: bigfrac
Choose:
 
neg12
12
neg23
23
fairy11

 

 

12.
Which expressions are equivalent to -5 - (1.25 + 4.5)?
(Check all that apply!)
 

- (1.25 + 4.5) - 5

-(5 - 1.25) + 4.5

- (1.25 + 4.5) +5

-5 - (4.5 + 1.25)

(1.25 + 4.5) - 5

-5 + (-1.25 + 4.5)


        

pracA3

 

 

13.
Find: pracdiv

Choose:
 
neg23
23
45
neg45
fairy13

 

 

14.
Find: prac12

Choose:
 
15
30
60
90
fairy14

 

 

15.
Which expression is equivalent to 5 - (- 4)?

Choose:
 
4 + 5
5 - 4
-4 - 5
-5 + 4
fairy16


 

16.
A seagull flying 378feet above the surface of a pond spots a fish 234 feet below the surface of the pond. What is the distance, in feet, between the seagull and the fish?
Choose:
 
neg658
neg118
658
118

 

 

17.
Simplify: -4(3n - 1) - 4n

Choose:
 
-12n
-20n
-16n - 4
-16n + 4
fairy17

 

 

18.
Simplify: cc1
Choose:
 
cc5
cc2
dd3
cc4
fairy20

 

 

19.
Nicole had $10 in her checking account. She wrote a check for $54.00. The bank charged her a fee of $15.95 for being overdrawn. What was the new status of her account after these occurrences?

Choose:
 
+ $59.95
$59.95
      in debt
+ $79.95
$79.95
      in debt

 

 

20.
A proton has a charge of positive one. An electron has a charge of negative one. What is the total charge of an ion with 42 protons and 38 electrons?

Choose:
 
80
4
- 4
-80

 

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