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WorksheetsUnit 2B (or not 2B) review
Total questions: 60
Worksheet time: 4hrs 38mins
Name
Class
Date
1.
**PROPORTION***
If mike has a ratio of 2 apples to 3 bananas, how many apples would you expect him to have if he has 15 bananas?
If mike has a ratio of 2 apples to 3 bananas, how many apples would you expect him to have if he has 15 bananas?
a)
7
b)
9
c)
10
d)
2
2.
***PROPORTION***
Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?
Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?
a)
8 minutes
b)
9 minutes
c)
16 minutes
d)
18 minutes
3.
If there are 5 boys and 7 girls, write the ratio of girls to boys.
a)
5 to 7
b)
7 to 5
4.
A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?
a)
2 to 5
b)
5 to 3
c)
3 to 5
d)
5 to 2
5.
Simplify the following ratio:
9 dog owners to 3 cat owners
9 dog owners to 3 cat owners
a)
3 cat owners to 1 dog owner
b)
Cannot be simplified
c)
3 dog owners to 1 cat owner
6.
Is the following ratio part to part or part to whole?
5 out of 23 kids in a class play trumpet
5 out of 23 kids in a class play trumpet
a)
Part to part
b)
Part to whole
7.
If there are 5 soccer players, 10 baseball players, and 15 basketball players, what is the ratio of baseball players to soccer players? (in simplest form)
a)
1 to 2
b)
1 to 3
c)
2 to 1
d)
3 to 1
8.
If there is a ratio of 3 dogs to 5 cats in a veterinary office, which of these would represent a part to whole relationship for this situation?
a)
3 to 5
b)
5 to 3
c)
3 to 8
d)
1 to 3
9.
If the rangers won 100 games and lost 60, what is the simplified ratio of wins to losses?
a)
10 to 6
b)
5 to 3
c)
6 to 10
d)
3 to 5
10.
If Jake makes 5 out of every 7 shots he makes at the free throw line. What is the ratio of shots made to shot missed?
a)
7 to 5
b)
5 to 7
c)
5 to 2
d)
7 to 2
11.
What is a Ratio?
a)
Is a comparison of two quantities
b)
To multiply two fractions
c)
A number over another number
d)
Two decimals that can be multiplied
12.
Write the ratio as a fraction in simplest form.
15 girls to 6 boys
15 girls to 6 boys
a)
5 to 2
b)
5/3
c)
3 to 5
d)
5/2
13.
What is the ratio of red apples to green apples
a)
7 apples to 3 green
b)
4 red apples to 7 apples
c)
4 red apples to 3 green apples
d)
3 green apples to 4 red apples
14.
Which ratio below is proportional to the ratio 5/6?
a)
6/5
b)
50/75
c)
25/30
d)
12/10
15.
What number is missing?
a)
12
b)
3
c)
11
d)
13
16.
a)
a
b)
b
c)
c
d)
d
17.
a)
a
b)
b
c)
c
d)
d
18.
20 is 80% of what number?
a)
25
b)
24
c)
26
d)
20
19.
What is 75% of 40?
a)
30
b)
35
c)
40
d)
25
20.
14 is 20% of what number?
a)
70
b)
65
c)
75
d)
20
21.
What is 45% of 50?
a)
22.5
b)
21.5
c)
20.5
d)
4.5
22.
30 is what percent of 40?
a)
75%
b)
50%
c)
25%
d)
100%
23.
8 is what percent of 20?
a)
40%
b)
20%
c)
250%
d)
2.5%
24.
There are 4 milk chocolates to every 2 dark in a box of chocolates. There are 34 dark chocolates in the box. How many milk chocolates are in the box?
a)
68
b)
86
c)
17
d)
34
25.
To make plant fertilizer, you mix 12 ounces of Lime with every 10 ounces of water. If you use 80 ounces of water, how much lime do you need?
a)
96 ounces
b)
80 ounces
c)
1.5 ounces
d)
66.67 ounces
26.
Mr. Dulin runs 5 miles in 42 minutes. He plans to run in a 25 mile race. Based on his current speed, about how long will it take him to complete the race?
a)
210 minutes
b)
8.4 minutes
c)
1050 minutes
d)
200 minutes
27.
iTunes sells 9 songs for $8.85. Claire wants to buy Bruno Mars’ new album which cost $14.75. How many songs are on Bruno Mars’ new album?
a)
13 songs
b)
15 songs
c)
5 songs
d)
20 songs
28.
Last week, Ida bought 8 cartons of raspberries for $7. How many cartons of raspberries can Ida buy this week if she has $21?
a)
24 cartons
b)
2.67 cartons
c)
20 cartons
d)
19 cartons
29.
Jessica was planning a trip to Jamaica. Before going, she did some research and learned that the exchange rate is one Jamaican dollar for 0.5 US dollars. How much Jamaican money would she get if she exchanged $28?
a)
$56
b)
$14
c)
$5.60
d)
$140
30.
What is 20% of 45?
a)
9
b)
44.44
c)
225
d)
12
31.
18 is 40% of what number?
a)
45
b)
18
c)
7.2
d)
40
32.
7 is what percent of 56?
a)
12.5%
b)
7%
c)
56%
d)
800%
33.
What is 15% of 60?
a)
9
b)
10
c)
8
d)
15
34.
∣ 2x + 9 ∣ = 15
a)
x = 3
b)
x = 3
x = -6
x = -6
c)
x = 3
x = -12
x = -12
d)
x = 6
x = -12
x = -12
35.
Solve |x – 12| - 3 = 11.
a)
-2, -26
b)
-2, 26
c)
3, 25
d)
4, -7
36.
|6 - 2f| = -5
a)
11/2, 1/2
b)
-5, 5
c)
1, 3
d)
⊘ No solution
37.
|−2n| + 10 = −50
a)
{30, -30}
b)
{20,-20}
c)
{-5,5}
d)
No Solution
38.
Solve |2x –3| + 5 =10.
a)
-1, 1
b)
-1, 4
c)
-1, -4
d)
1, 4
39.
Solve for r.
−2|−2r − 4| = -12
−2|−2r − 4| = -12
a)
{5,1}
b)
{-5,-1}
c)
{-5,1}
d)
No Solution
40.
Solve for x.
|v + 8| − 5 = 2
|v + 8| − 5 = 2
a)
{-1,-15}
b)
{-1,-5}
c)
{-15,15}
d)
No Solution
41.
Solve for x.
2|x + 1| - 5 = 5
2|x + 1| - 5 = 5
a)
x = 4 & x = 6
b)
x = -4 & x = 6
c)
x = -6 & x = 4
d)
no solution
42.
A machine is used to fill each of several bags with 16 ounces of coffee. After the bags are filled, another machine weighs them. If the bag weighs 0.5 ounces more or less than the desired weight, the bag is rejected. Which of the following equations could be used to find the heaviest and lightest bag the machine will approve?
a)
|x - 16| = -0.5
b)
|x + 16| = 0.5
c)
|x - 0.5| = 16
d)
|x - 16| = 0.5
43.
Absolute value is defined as...
a)
always positive numbers
b)
negative numbers becoming positive
c)
distance from zero
d)
numbers on the number line
44.
Sam's house is 14 blocks from the school. Emily lives 6 blocks from Sam. What is the range of blocks from the school could Emily's house be? (Let Emily's house be represented by x)
a)
6 > x > 14
b)
6 < x < 14
c)
8 > x > 20
d)
8 < x < 20
45.
Your have money in your wallet, but you don't know the exact amount. When a friend asks you, you say that you have 50 dollars give or take 15. What is the range of dollar amounts that could be in your wallet?
a)
$15 - $50
b)
$35 - $65
c)
$15
d)
$50
46.
The lowest test grade in a class is a 75 and the highest is 91. What is the allowance of grade from the median grade?
a)
75 points
b)
91 points
c)
8 points
d)
83 points
47.
A company sells 20-ounce bottles of sports drink. The actual volume of liquid in the bottle must be within 0.03 ounces. Which volume would NOT be included in the range of liquid?
a)
19.93
b)
20.013
c)
20.02
d)
19.99
48.
The street built in the city must be 25 feet in width with a tolerance of 0.5 feet. Streets that are not within the tolerated widths must be repaired. Which street width below would NOT have to be repaired?
a)
24 feet, 10 inches
b)
24 feet, 3 inches
c)
25 feet, 7 inches
d)
25 feet, 11 inches
49.
John is looking for a job after graduation. The salary which he is satisfied with must be $3000 with a tolerance of $500. Choose the salary John would accept.
a)
$3,478
b)
$3,792
c)
$2,489
d)
$2,256
50.
Solve the equation:
-5x = 25
-5x = 25
a)
x = 20
b)
x = -20
c)
x = -5
d)
x = 5
51.
19 + a = -50
a)
a = -950
b)
a = -69
c)
a = -31
d)
a = -50/19
52.
x - 8 = -5
a)
13
b)
-13
c)
3
d)
-3
53.
x + 12 = 20
a)
x = 32
b)
x = -32
c)
x = 8
d)
x = -8
54.
w/5 = -10
a)
w = -50
b)
w = 50
c)
w = 2
d)
w = -2
55.
The objective when solving an equation is to....
a)
isolate the variable.
b)
check the solution.
c)
guess and check.
d)
Combine Like Terms.
56.
What is the first step to solve this equation:
11 - 3x = 44
11 - 3x = 44
a)
Add 3 to both sides
b)
Subtract 11 from both sides
c)
Add 11 to both sides
d)
Divide 3 on both sides.
57.
4 = 2(x + 3)
a)
1/2
b)
7/2
c)
-1
d)
5
58.
Solve: 5x - 14 = 8x + 4
a)
6
b)
-6
c)
-18/13
d)
10/3
59.
3y+6+4y-7=-8
a)
y=-1
b)
y=-8
c)
y=1
d)
y=7
60.
10(h+1)-4=76
a)
h=10
b)
h=4
c)
h=7
d)
h=76
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