Post on 08-Mar-2021
Unit 1 Pre-Assessment: CCSS 8.NS.A.1
A Venn diagram is shown. Write each value in the appropriate location on the diagram.1.
Which number does not represent an integer?2.
–8A.
124
B.
5C.
– 103
D.
Legal to Copy 1
Yes No
A.73
B.164
C.28
D.205
E.102
Check Yes or No to show if each fraction simplifies to a whole number.3.
Circle the values that are incorrectly placed in the Venn diagram.4.
2 Legal to Copy
Answer: __________
Answer: __________
Complete the diagram by writing the labels next to their correct positions on the diagram.5.
What is the decimal equivalent of 34
?6.
What is the quotient of 3 ÷ 8?7.
Which statement is true?8.
A rational number is any number that can be written as a factor of 10.A.
A rational number is any number that can be written as the ratio of two integersab
, where b ≠ 0.
B.
A rational number is any number that can be written as a repeating decimal number.C.
A rational number is any number that can be written as the ratio of two decimal numbers.D.
Legal to Copy 3
4 Legal to Copy
Unit 1 Math Pre-Assessment Answer Key
1.
D2.
A–NoB–YesC–NoD–YesE–Yes
3.
4.
5.
0.756.
0.3757.
B8.
Legal to Copy 5
6 Legal to Copy
Unit 2 Pre-Assessment: CCSS 8.NS.A.2
73
2.05 2 12
94
2.6
__________ __________ __________ __________ __________
Which point best shows the location of 914
on the number line? Circle the correct point.1.
Which equation is true for any value of x?2.
x2 = 2 ∙ xA.
x2 = x + xB.
x2 = 2 + xC.
x2 = x ∙ xD.
Write the following numbers in order from greatest to least.3.
Legal to Copy 7
Between which pair of integers on a number line is 195
located?4.
1 and 2A.
2 and 3B.
3 and 4C.
4 and 5D.
Which of the following rational numbers has a value closest to 136
?5.
2.1A.
2.2B.
2.3C.
2.4D.
8 Legal to Copy
What is the length, in inches, of one side of the square?
Answer: __________ inches
Answer: __________
Answer: __________
The square shown has an area of 36 square inches.6.
Evaluate the expression 32(15) + 87.7.
Evaluate the expression 3.142
4.8.
Legal to Copy 9
10 Legal to Copy
Unit 2 Math Pre-Assessment Answer Key
point C1.
D2.
2.6, 2 12
, 73
, 94
, 2.053.
C4.
B5.
66.
2227.
2.46498.
Legal to Copy 11
12 Legal to Copy
Unit 3 Pre-Assessment: CCSS 8.EE.A.1
Answer: ______
Answer: ______
Answer: ______
Answer: ______
Which number is the base in the expression 34?1.
Which number is the exponent in the expression 25?2.
Which expression is equivalent to 103?3.
3 ∙ 3 ∙ 3 ∙ 3 ∙ 3 ∙ 3 ∙ 3 ∙ 3 ∙ 3 ∙ 3A.
10 ∙ 10 ∙ 10B.
10 ∙ 3C.
30 ∙ 10D.
What is the value of 43?4.
What is the value of 50?5.
What is the reciprocal of 6?6.
–6A.
2 ∙ 3B.
16C.
– 16
D.
Legal to Copy 13
Answer: ______
What is the reciprocal of 110
?7.
Which expression shows 6 ∙ 6 ∙ 6 ∙ 6 in exponential form?8.
64A.
65B.
46C.
43D.
14 Legal to Copy
Unit 3 Math Pre-Assessment Answer Key
31.
52.
B3.
644.
15.
C6.
107.
A8.
Legal to Copy 15
16 Legal to Copy
Unit 4 Pre-Assessment: CCSS 8.EE.A.2
Answer: ______ in
Answer: ______ cm2
Answer: ______ in
Answer: ______ ft
Answer: ______ cubes
One side of a square measures 14 inches. What is the length, in inches, of each of the othersides of the square?
1.
The sides of a square measure 4 centimeters. What is the area, in square centimeters, of thesquare?
2.
The area of a square is 64 square inches. What is the length, in inches, of one side of thesquare?
3.
One edge of a cube measures 2 feet. What is the measure, in feet, of each of the other edgeson the cube?
4.
Jenny builds a cube from smaller cubes. She makes 5 layers with 5 small cubes in each rowand column. How many small cubes does Jenny use to build the cube?
5.
Legal to Copy 17
Answer: ______ layers
6 ∙ 6
Answer: ______
A cube is built from 27 smaller cubes. How many layers of smaller cubes are in the largercube?
6.
Find the product.7.
What is the product of 12
∙ 12
∙ 12
?8.
16
A.
18
B.
36
C.
38
D.
18 Legal to Copy
Unit 4 Math Pre-Assessment Answer Key
141.
162.
83.
24.
1255.
36.
367.
B8.
Legal to Copy 19
20 Legal to Copy
Unit 5 Pre-Assessment: CCSS 8.EE.A.3
103 ∙ 25
Answer: __________
62 + 34
2.63 ∙ 100
Answer: __________
Which expression is equivalent to 10,000?1.
102A.
103B.
104C.
105D.
Simplify the expression.2.
Which of the following is equivalent to the expression shown?3.
6 ∙ 2 + 3 ∙ 4A.
6 ∙ 6 + 3 ∙ 3 ∙ 3 ∙ 3B.
2 ∙ 2 ∙ 2 ∙ 2 ∙ 2 ∙ 2 + 4 ∙ 4 ∙ 4C.
6 + 6 + 3 + 3 + 3 + 3D.
Simplify the expression.4.
Legal to Copy 21
105 ∙ 16
Which equation is not true?5.
202 = 40A.
104 = 10,000B.
73 = 343C.
50 = 1D.
Which of the following is equivalent to the expression shown?6.
5 ∙ 5 ∙ 5 ∙ 5 ∙ 5 ∙ 5 ∙ 5 ∙ 5 ∙ 5 ∙ 16A.
10 ∙ 5 ∙ 16B.
10 + 10 + 10 + 10 + 10 ∙ 16C.
10 ∙ 10 ∙ 10 ∙ 10 ∙ 10 ∙ 16D.
How is 32 related to 3?7.
It is twice as much.A.
It is 3 times as much.B.
It is 9 times as much.C.
It is equal to 3.D.
Which expression does not represent a number 8 times as much as 75?8.
8 ∙ 75A.
23 ∙ 75B.
2 ∙ 4 ∙ 75C.
4 + 4 ∙ 75D.
22 Legal to Copy
Unit 5 Math Pre-Assessment Answer Key
C1.
25,0002.
B3.
2634.
A5.
D6.
B7.
D8.
Legal to Copy 23
24 Legal to Copy
Unit 6 Pre-Assessment: CCSS 8.EE.A.4
3.86 × 14
Answer: ________
15.12 ÷ 24
Answer: ________
5.96 + 10.5
Answer: ________
48.012 – 21.12
Answer: ________
102 – 82
Answer: ________
0.815 × 104
Answer: ________
Find the product.1.
Find the quotient.2.
Find the sum.3.
Find the difference.4.
Evaluate the expression.5.
Evaluate the expression.6.
Legal to Copy 25
26 Legal to Copy
Unit 6 Pre-Assessment Answer Key
54.041.
0.632.
16.463.
26.8924.
365.
81506.
Legal to Copy 27
28 Legal to Copy
Unit 7 Pre-Assessment: CCSS 8.EE.B.5
HoursWorked
AmountEarned ($)
3 22.50
5 37.50
7 52.50
9 67.50
If Sunni works 11 hours, how much will she make?
Answer: $________
The table shows the amount of money Sunni earns for working different numbers of hours atthe same hourly rate.
1.
Legal to Copy 29
Use the graph to answer questions 2 and 3.
Julia makes bracelets to sell at the craft fair. The graph shows the total number of braceletsshe can make in different numbers of hours.
Answer: __________ bracelets
Answer: __________ hours
How many bracelets can Julia make if she works 8 hours?2.
How much time does it take Julia to complete 3 bracelets?3.
30 Legal to Copy
Answer: __________ miles per hour
Which ordered pair does not represent the relationship between x and y?
It takes Myra 4 hours to travel 50 miles on her bike. If she travels at a constant speed, whatis Myra’s rate of speed in miles per hour? Express your answer as a decimal.
4.
The graph shows a relationship between x and y.5.
(12, 8)A.
(9, 6)B.
(0, 0)C.
(2, 3)D.
Legal to Copy 31
Answer: _________
Sylvia purchases 3 14
yards of fabric for $26. If x represents the number of yards of fabric
and y represents the total cost of the fabric, which equation best represents the relationshipbetween x and y?
6.
y = 7.25xA.
y = 8xB.
y = 7xC.
y = 8.25xD.
Dana buys 6 snack cakes for $4.50. Deon buys the same kind of snack cakes and pays $3.20for 4. Who paid less for each cake?
7.
LeBron will earn $1.50 for each mile, m, he walks in a walk-a-thon for charity. His uncle saidhe would pay him twice that amount for each mile. Which equation represents the amountLeBron's uncle will pay if a represents the total amount?
8.
a = 3mA.
a = 2mB.
a = 1.5mC.
a = 1.5m2D.
32 Legal to Copy
Unit 7 Math Pre-Assessment Answer Key
82.501.
62.
43.
12.54.
D5.
B6.
Dana7.
A8.
Legal to Copy 33
34 Legal to Copy
Unit 8 Pre-Assessment: CCSS 8.EE.B.6
Use the graph to answer questions 1–5.
Look at the points shown.
Answer: __________
Answer: __________
Answer: E( __________ , __________ )
What is the y-coordinate for point A?1.
What is the x-coordinate for point D?2.
Plot a point 6 units up and 6 units to the left of point B. Label the point E. What are thecoordinates of point E?
3.
Legal to Copy 35
What is the ratio of the measure of side LM to the measure of side LN?
Answer: ______________
Which point is located on the same vertical line as point C?4.
E(0, 2)A.
F(2, 10)B.
G(–8, 5)C.
H(5, 0)D.
Which point is located on the same horizontal line as point B?5.
J(–9, –4)A.
K(–1, –9)B.
L(–4, 9)C.
M(4, 1)D.
Triangle LMN is shown.6.
36 Legal to Copy
Unit 8 Math Pre-Assessment Answer Key
6. 4.5 : 6 or 4.5 to 6
81.
–32.
(–2, –3)3.
B4.
B5.
Legal to Copy 37
38 Legal to Copy
Unit 9 Pre-Assessment: CCSS 8.EE.C.7.ab
For each equation, solve for x.
Answer: x = ________
Answer: x = ________
Answer: x = ________
Answer: x = ________
x + 3.6 = 19.61.
x – 1 14
= 2 142.
4.2x = 33.63.
x400
= 204.
Legal to Copy 39
For each equation, solve for b.
Answer: b = ________
Answer: b = ________
Answer: b = ________
Answer: b = ________
1 34
– 56
b = 835.
–9b + 13 = 766.
0.8b – 4.2 = 9.47.
6.6b + 2 = 8.68.
40 Legal to Copy
Unit 9 Math Pre-Assessment Answer Key
161.
3 122.
83.
80004.
– 1110
or –1 1105.
–76.
177.
18.
Legal to Copy 41
42 Legal to Copy
Unit 10 Pre-Assessment: CCSS 8.EE.C.8.abc
–2x + 6 = x – 9
For which equation is x = –3 a solution?1.
56x = –10A.
x + 5 = 2B.
x–6
= 18C.
x – 7 = 4D.
Which value of x makes the following equation true?2.
x = 5A.
x = –3B.
x = 2C.
x = –1D.
Legal to Copy 43
Use the graph to answer questions 3–5.
The graph shows the results of Zane’s training session on Saturday in preparation for amarathon.
Answer: ________
Which point is not located on the line represented in the graph?3.
(2, 12)A.
(3.5, 21)B.
(4, 24)C.
(5.5, 27)D.
Which statement best explains the point (0.5, 3) on the graph?4.
Zane runs 12
mile in 3 minutes.A.
Zane runs 3 miles in 12
hour.B.
Zane runs 0.5 mile in 3 hours.C.
Zane runs 3 laps in 30 minutes.D.
For what value of x does y = 42?5.
44 Legal to Copy
Unit 10 Math Pre-Assessment Answer Key
B1.
A2.
D3.
B4.
75.
Legal to Copy 45
46 Legal to Copy
Unit 11 Pre-Assessment: CCSS 8.F.A.1
x –2 –1 0 1 2
y 7 4 1 –2 –5
Which set lists all the input values shown in the table?
List the y values for the points shown on the graph from least to greatest.
Answer: __________ , __________ , __________ , __________ , __________
x
y
Output values are graphed along
the __________ -axis, and input values
are graphed along the __________ -axis.
The table shows a relationship between x and y.1.
{–2, –1, 0, 1, 2}A.
{7, 4, 1, –2, –5}B.
{0, 1, 2, 4, 7}C.
{–5, –2, –1, 0, 1, 2, 4, 7}D.
The graph shows a relationship between x and y.2.
Record each variable in the correct blank to complete the sentence.3.
Legal to Copy 47
Use the table to answer questions 4 and 5.
The table shows the costs for different numbers of bags of candy.
Number ofBags of Candy
Cost ($)
1 1.50
2 3
3 4.50
4 6
5 7.50
The input values in the table are best described as ____________.
the number ofbags of candy
the cost ofthe candy
Answer: __________
Circle the phrase that best completes the sentence.4.
What output value corresponds to an input value of 3?5.
48 Legal to Copy
Unit 11 Math Pre-Assessment Answer Key
A1.
2, 4, 6, 8, 102.
Output values are graphed along the y-axis and input values are graphed along the x-axis.3.
the number of bags of candy4.
4.505.
Legal to Copy 49
50 Legal to Copy
Unit 12 Pre-Assessment: CCSS 8.F.A.2
Use the equation to answer questions 1 and 2.
y = 25x
Answer: ________
Answer: ________
What is the constant of proportionality for the equation?1.
What is the value of y when x = 12?2.
Legal to Copy 51
Use the graph to answer questions 3–5.
proportional non-proportional
increase decrease
Answer: ( ________, ________ )
Is the relationship in the graph proportional or non-proportional? Circle the correct response.3.
Does the line increase or decrease from left to right? Circle the correct response.4.
At what point does the line cross the y-axis?5.
52 Legal to Copy
Use the table to answer questions 6 and 7.The table shows a relationship between x and y.
x –3 –1 1 3 5
y –1 – 13
13 1
53
proportional non-proportional
Answer: ________
Is the relationship between x and y proportional or non-proportional? Circle the correctanswer.
6.
What is unit rate shown in the table?7.
Legal to Copy 53
54 Legal to Copy
Unit 12 Math Pre-Assessment Answer Key
251.
3002.
non-proportional3.
increase4.
(0, –2)5.
proportional6.
13
7.
Legal to Copy 55
56 Legal to Copy
Unit 13 Pre-Assessment: CCSS 8.F.A.3
Answer: ________
Which expression has a term that is squared?1.
5x + 7A.
6x2 – 36B.
16x3 – 24C.
8x0 + 15D.
Which term is read as “x cubed”?2.
x0A.
x1B.
x2C.
x3D.
What is the exponent of x in the expression 3x + 6?3.
Which equation has terms in which all the exponents are 1?4.
3x + 6y = 12A.
2x2 – 3y = 24B.
y = x2 – 3C.
y = 5x
+ 7D.
Legal to Copy 57
Sofia graphs the line represented by y = 3x + 8. Which point does not make the equationtrue?
5.
(2, 14)A.
(5, 23)B.
(8, 34)C.
(10, 38)D.
58 Legal to Copy
Unit 13 Math Pre-Assessment Answer Key
B1.
D2.
13.
A4.
C5.
Legal to Copy 59
60 Legal to Copy
Unit 14 Pre-Assessment: CCSS 8.F.B.4
–7 – (–16)
Answer: ________
3 – 9–5 – 4
Answer: $ ________
Simplify the expression.1.
The following expression is equivalent to which value?2.
23A.
–6B.
– 23C.
6D.
Sam uses the equation y = 10x to determine his total savings, y, after x weeks. How muchmoney does Sam save each week?
3.
Legal to Copy 61
Which of the following tables represents the same relationship as shown in the graph?
A.x 0 1 2
y –3 1 3
B.x –3 0 2
y 0 1 3
C.x 0 1 2
y –3 0 3
D.x –3 0 3
y 0 1 2
Look at the graph.4.
62 Legal to Copy
What is the cost, in dollars, for 1 lollipop?
Answer: $ ________
Look at the graph.5.
A horse galloped for x hours at 27.5 miles per hour. Then it walked for an additional0.75 mile. The total distance the horse traveled was 2.4 miles. Which equationbest represents the number of hours the horse galloped?
6.
2.4 = 27.5x – 0.75A.
2.4 = 27.5x + 0.75B.
2.4 = x27 .5
+ 0.75C.
2.4 = 0.75x + 27.5D.
Legal to Copy 63
Complete the table using the relationship between the input and output values shown in thegraph.
x –8 0 8
y 4 0
Look at the graph.7.
Pedro spends $23.50 at the local arcade and mini-golf course. Each round of mini golf costs$7.50 and each arcade game costs $2. Which of the following could be used to determine thenumber of arcade games, x, Pedro can play if he plays one round of mini golf?
8.
7.5x + 2x = 23.5A.
2x – 7.5 = 23.5B.
7.5 + 2x = 23.5C.
7.5 – 2x = 23.5D.
64 Legal to Copy
Unit 14 Math Pre-Assessment Answer Key
7. x –8 –4 0 4 8
y 6 4 2 0 –2
91.
A2.
103.
C4.
0.255.
B6.
C8.
Legal to Copy 65
66 Legal to Copy
Unit 15 Pre-Assessment: CCSS 8.F.B.5
How many meters does a person travel between 0 and 5 seconds?
Answer: __________ meters
Which statement best describes the line on the graph?1.
The distance decreases as the time increases.A.
The distance increases as the time increases.B.
The distance increases as the time decreases.C.
The distance decreases as the time remains constant.D.
The graph shows the total distance a person travels in meters while on a moving walkway forx seconds.
2.
Legal to Copy 67
Which situation best matches the graph?3.
The temperature decreases as time passes.A.
The temperature increases as time passesB.
The temperature does not change.C.
The time does not change.D.
Which section of the graph is not linear?4.
AA.
BB.
CC.
DD.
68 Legal to Copy
Which of the following points would not represent the same relationship if added to thegraph?
A graph representing the growth of a plant in centimeters over x days is shown.5.
E(7, 6)A.
F(5, 4)B.
G(3, 1)C.
H(2, 9)D.
Legal to Copy 69
70 Legal to Copy
Unit 15 Pre-Assessment Answer Key
B1.
32.
A3.
C4.
D5.
Legal to Copy 71
72 Legal to Copy
Unit 16 Pre-Assessment: CCSS 8.G.A.1.abc
Which pair of figures does not show the same figure twice?1.
A.
B.
C.
D.
Which statement best describes Figures A and B?2.
Figure B is the same as Figure A, only turned.A.
Figure A is to the right of Figure B.B.
Figure A is smaller than Figure B.C.
Figure B is taller than Figure A.D.
Legal to Copy 73
Use the information to answer questions 4 and 5.
Quadrilateral EFGH is shown.
Answer: B( __________ , __________ )
Which statement best describes the location of point Z relative to the triangles?3.
Point Z is centered between triangles 1 and 2.A.
Point Z is closer to triangle 1 than triangle 2.B.
Point Z is closer to triangle 2 than triangle 1.C.
Point Z is not between the triangles.D.
Point B is located 3 units to the right and 4 units up from point G. What are the coordinatesof point B?
4.
Point C is located 6 units to the left and 4 units down from point F. Which best describes thelocation of point C?
5.
(–6, 4)A.
on the x-axisB.
(6, 4)C.
on the y-axisD.
74 Legal to Copy
Unit 16 Math Pre-Assessment Answer Key
D1.
A2.
B3.
(6, 0)4.
D5.
Legal to Copy 75
76 Legal to Copy
Unit 17 Pre-Assessment: CCSS 8.G.A.2
Use the graph to answer questions 1 and 2.
Which of the following is congruent to rectangle ABCD?1.
rectangle EFGHA.
rectangle JKLMB.
rectangle NOPQC.
rectangle RSTUD.
Which ordered pair is not a vertex of rectangle NOPQ?2.
(–3, 3)A.
(–1, 3)B.
(1, –4)C.
(–3, –4)D.
Legal to Copy 77
Congruent figures have the ______.
same shape but different size same shape and size
Which best completes the definition? Circle the correct response.3.
For which pair of figures does the line appear to be a line of symmetry?4.
A.
B.
C.
D.
78 Legal to Copy
x
y
Record the labels of the axes in the correct location on the coordinate plane.5.
Legal to Copy 79
80 Legal to Copy
Unit 17 Math Pre-Assessment Answer Key
A1.
B2.
same shape and size3.
D4.
5.
Legal to Copy 81
82 Legal to Copy
Unit 18 Pre-Assessment: CCSS 8.G.A.3
23
x
Record your answer in simplest form.
Answer: __________
Record the coordinates of the vertices in the table.
Vertex Coordinates
F( ________ , ________ )
G( ________ , ________ )
H( ________ , ________ )
J( ________ , ________ )
Evaluate the expression shown for x = 6.1.
Look at the graph of rectangle FGHJ.2.
Legal to Copy 83
y 2.5y
–5
–2
0
3
6
Evaluate the expression for each value of y.3.
Which of the following is not true?4.
When d = –8, 14
d = –2.A.
When r = 4, 1.5r = 6.B.
When w = –5, –6w = –30.C.
When p = 12, 54
p = 15.D.
Tyrese constructs scale models of computers. Model A has dimensions that are 45
the size of
the original computer, while Model B has dimensions that are 65
of the original size. Which of
the following is true?
5.
Model A is larger than the original, while Model B is smaller than the original.A.
Both Model A and Model B are smaller than the original.B.
Model A is smaller than the original, while Model B is larger than the original.C.
Both Model A and Model B are larger than the original.D.
84 Legal to Copy
Use the graph to answer questions 6 and 7.
Answer: ( _______ , ________ )
Answer: ( _______ , ________ )
Point P is reflected across the y-axis. What are the coordinates for point P after it is reflected?6.
Point Q moves 1 unit to the left and 2 units down. What are the coordinates for point Q afterit moves?
7.
A rectangle has sides that are 4 inches and 6 inches long. Tracey draws a new rectangle witheach side 3 times as long as the original. What are the dimensions of the new rectangle?
8.
8 in by 12 inA.
12 in by 18 inB.
2 in by 3 inC.
12 in by 2 inD.
Legal to Copy 85
86 Legal to Copy
Unit 18 Math Pre-Assessment Answer Key
41.
Vertex Coordinates
F (–3, 6)
G (7, 6)
H (7, –5)
J (–3, –5)
2.
y 2.5y
–5 –12.5
–2 –5
0 0
3 7.5
6 15
3.
C4.
C5.
(3, –3)6.
(2, 1)7.
B8.
Legal to Copy 87
88 Legal to Copy
Unit 19 Pre-Assessment: CCSS 8.G.A.4
Evaluate the following expressions.
Answer: __________
Answer: __________
Answer: __________
Answer: __________
13
× (–2)1.
3.5 × 1.52.
1500 ÷ 253.
250 ÷ 6.254.
Legal to Copy 89
A drawing of a race car is created using a scale of 1 centimeter equals 14
foot. If the length
of the car in the drawing is 64 centimeters, what is the actual length of the car, in feet?
5.
14 ftA.
16 ftB.
192 ftC.
256 ftD.
A drawing of a garden measures 11 inches by 17 inches. The dimension of the actual gardenis 13.75 feet by 21.25 feet. What is the scale factor used to create the drawing?
6.
0.5 inch : 2 feetA.
0.25 inch : 3.5 feetB.
1 inch : 1.25 feetC.
1.5 inches : 1 footD.
90 Legal to Copy
Unit 19 Math Pre-Assessment Answer Key
– 23
1.
5.252.
603.
404.
B5.
C6.
Legal to Copy 91
92 Legal to Copy
Unit 20 Pre-Assessment: CCSS 8.G.A.5
Use the information to answer questions 1 and 2.
Triangle FGH is similar to triangle RST.
Which statement is true?1.
m∠R < m∠FA.
m∠R = m∠FB.
m∠R = 40°C.
m∠S = 56°D.
Which equation can be used to determine the measure of ∠F ?2.
56 + 40 + x = 90A.
x – 56 – 40 = 180B.
56 + 40 + x = 180C.
x + 56 + 40 = 360D.
Legal to Copy 93
Use the model to answer questions 3–5.
Answer: ________°
Angles CFD and DFE are complementary angles. Which expression can be used to determinex?
3.
40 + 2x = 180A.
2x + 40 = 90B.
2x = 40C.
40 – 2x = 90D.
A pair of vertical angles is formed by lines AD and BE. What is the measure of angle AFB?4.
Which equation can be used to determine the value of x using the linear angle pairs formedby angles AFB and AFE?
5.
(x + 15) + 140 = 360A.
140 – (x + 15) = 180B.
140 + (x + 15) = 180C.
140 – (x + 15) = 90D.
94 Legal to Copy
Unit 20 Math Pre-Assessment Answer Key
B1.
C2.
B3.
404.
C5.
Legal to Copy 95
96 Legal to Copy
Unit 21 Pre-Assessment: CCSS 8.G.B.6
169
Answer: ________
What is the area of the tile in square inches?
Answer: ________ square inches
42 + 82
Answer: ________
Simplify the expression.1.
A square tile is shown.2.
Simplify the expression.3.
Legal to Copy 97
Which of the following best represents the length of one side of the square?
A square has an area of 28 square inches.4.
28 ≈ 5.3 inA.
282 = 784 inB.
28 = 14 inC.
284
= 7 inD.
Which equation is not true?5.
32 + 42 = 52A.
52 – 42 = 32B.
32 + 52 = 42C.
52 – 32 = 42D.
98 Legal to Copy
Answer: ________ square units
Determine the sum of the areas of square A and square B.6.
Legal to Copy 99
100 Legal to Copy
Unit 21 Math Pre-Assessment Answer Key
131.
2892.
803.
A4.
C5.
1006.
Legal to Copy 101
102 Legal to Copy
Unit 22 Pre-Assessment: CCSS 8.G.B.7
212
Answer: __________
16
Answer: __________
92 – 62
Answer: __________
Simplify the expression.1.
Valerie has multiple sticks of different lengths to build a triangle for a class project. Which3 lengths could Valerie choose to build a triangle?
2.
9 cm, 21 cm, 5 cmA.
12 cm, 6 cm, 18 cmB.
17 cm, 8 cm, 8 cmC.
13 cm, 28 cm, 16 cmD.
Simplify the expression.3.
Simplify the expression.4.
Legal to Copy 103
If AB = 5.75 inches, BC = 6 inches, and AC = 5.8 inches, which statement is true?
Triangle ABC is shown.5.
∠B is the smallest angle.A.
∠A is the smallest angle.B.
∠C is the smallest angle.C.
∠B is the largest angle.D.
Which of the following has a value closest to 12?6.
13A.
24B.
98C.
140D.
Which value is closest to 40 ?7.
7.2A.
6.3B.
20.1C.
5.9D.
104 Legal to Copy
Unit 22 Math Pre-Assessment Answer Key
4411.
D2.
43.
454.
C5.
D6.
B7.
Legal to Copy 105
106 Legal to Copy
Unit 23 Pre-Assessment: CCSS 8.G.B.8
What is the perimeter, in meters, of the parallelogram?
Answer: __________ meters
Which vertex could Maria use to complete the triangle?
Look at the parallelogram.1.
Maria plotted two vertices of an isosceles triangle on a coordinate plane.2.
(2.5, 3)A.
(3, 3)B.
(3.5, 2.5)C.
(3.5, 3)D.
Legal to Copy 107
72 + 82
Answer: __________
Simplify the expression.3.
Write a term in each blank to correctly label the parts of the triangle shown. Not all terms willbe used.
4.
108 Legal to Copy
What is the unknown side length, in inches?
Answer: __________ inches
Which expression can be used to determine the unknown side length of the triangle?5.
32 + 42A.
32 + 42B.
42 – 32C.
42 – 32D.
Look at the right triangle.6.
Legal to Copy 109
110 Legal to Copy
Unit 23 Math Pre-Assessment Answer Key
441.
D2.
1133.
4.
B5.
136.
Legal to Copy 111
112 Legal to Copy
Unit 24 Pre-Assessment: CCSS 8.G.C.9
Use the information to answer questions 1–3.
A circle is shown.
Answer: __________ centimeters
Answer: __________ centimeters
What is the diameter of the circle in centimeters?1.
What is the radius of the circle in centimeters?2.
Which expression can be used to determine the area of the circle?3.
π ∙ 122A.
2 ∙ π ∙ 6B.
π ∙ 62C.
2 ∙ π ∙ 12D.
Legal to Copy 113
perimeter area volume
( 43)( 22
7)(3)3
Which expression can be used to determine the area of the circle?
Mrs. Timmons displays a drawing of an object and asks her students to calculate the numberof cubic units the object contains. What is Mrs. Timmons asking her students to calculate?Circle the correct response.
4.
What is the product of the expression shown?5.
37 57A.
103 421B.
113 17C.
114 221D.
Look at the circle.6.
π ∙ 52A.
2 ∙ π ∙ 102B.
2 ∙ π ∙ 5C.
2 ∙ π ∙ 10D.
114 Legal to Copy
13xy
Which best represents the value of the expression?
Which best represents the area of the plate in square inches?
Use π ≈ 3.14.
Evaluate the expression for x = 24π and y = 7.5.7.
180πA.
540πB.
60πC.
188πD.
Mrs. Pierce serves cake on 7-inch dessert plates.8.
153.9 in2A.
21.6 in2B.
43.9 in2C.
38.5 in2D.
Legal to Copy 115
116 Legal to Copy
Unit 24 Math Pre-Assessment Answer Key
121.
62.
C3.
volume4.
C5.
A6.
C7.
D8.
Legal to Copy 117
118 Legal to Copy
Unit 25 Pre-Assessment: CCSS 8.SP.A.1
x y
–7 –6
–4 –2
0 6
4 3
8 9
Circle Yes or No.
Yes No
Which statement does not support the data shown in the dot plot?
Do the points in the table form a line?1.
Look at the dot plot shown.2.
The shape of the distribution is skewed right.A.
There are no outliers in the distribution.B.
There is a peak in the distribution at 2.C.
The spread of the distribution is 14.D.
Legal to Copy 119
Which statement about the graph is true?
Gilmore's is having a sale on socks. The prices for different numbers of pairs of socks isshown in the graph.
3.
The relationship between x and y shows a constant rate of change.A.
If the points were connected and the line extended, the graph would not pass throughthe origin.
B.
Ten pairs of socks would cost $27.C.
The points on the graph do not make a line.D.
120 Legal to Copy
Circle the correct response.
positive negative
Circle the correct response.
positive negative
Does the line have a positive or negative slope?4.
Does the line have a positive or negative slope?5.
Legal to Copy 121
122 Legal to Copy
Unit 25 Math Pre-Assessment Answer Key
No1.
B2.
A3.
positive4.
negative5.
Legal to Copy 123
124 Legal to Copy
Unit 26 Pre-Assessment: CCSS 8.SP.A.2
Use the information to answer questions 1 and 2.
Haley randomly surveyed 10 elementary school children. She recorded their ages and thenumber of absences they had for the school year. The results are shown in the table.
Age (years) 8 11 5 7 10 9 6 10 8 9
Number ofAbsences
1 3 0 2 2 5 1 0 3 2
Answer: ( __________ , __________ )
Graph each pair of values from the table on the coordinate plane.1.
Haley surveys one additional student who had 4 absences. This student is 9 years old.What ordered pair represents the data that would be graphed in the scatter plot?
2.
Legal to Copy 125
Use the graph to answer questions 3-5.
The graph shows the relationship between student test scores and the number of hours theyslept the night before the test.
Answer: __________ students
Answer: __________
As the x-values increase, the y-values ___________.
increase decrease
How many students scored an 85 on the test?3.
What score did the student that slept for 4 hours receive?4.
Complete the sentence by circling the correct term to fill in the blank.5.
126 Legal to Copy
Unit 26 Math Pre-Assessment Answer Key
1.
(9, 4)2.
23.
654.
increase5.
Legal to Copy 127
128 Legal to Copy
Unit 27 Pre-Assessment: CCSS 8.SP.A.3
Use the graph to answer questions 1–3.
The graph shows the costs for different numbers of cupcakes at Delilah’s Bakery.
Answer: $ __________
Answer: __________ cupcakes
If the cost of the cupcakes changes at a constant rate, which shows a possible point thatwould be included in the graph?
1.
(7, 24)A.
(10, 35.5)B.
(12, 42)C.
(15, 50.5)D.
What is the cost for 3 cupcakes?2.
What is the greatest number of cupcakes that can be purchased with $70?3.
Legal to Copy 129
Use the graph to answer questions 4 and 5.
Mrs. Lockhart shops at a baby clothing special event. She pays $5 for admission plus $2 perclothing item she buys.
Answer: $ __________
If Mrs. Lockhart goes to the special event but does not find any clothing she wants topurchase, how much money will she spend?
4.
What is the greatest number of clothing items that Mrs. Lockhart can purchase if she has $50to spend?
5.
20 itemsA.
21 itemsB.
22 itemsC.
23 itemsD.
130 Legal to Copy
Unit 27 Math Pre-Assessment Answer Key
C1.
10.502.
203.
54.
C5.
Legal to Copy 131
132 Legal to Copy
Unit 28 Pre-Assessment: CCSS 8.SP.A.4
Use the table and information to answer questions 1–3.
A restaurant keeps track of the number of guests who select the different types of entreesoffered at dinner. The table shows the data for one day.
Meat Seafood Vegetarian
Number of Guests 142 224 54
meat seafood vegetarian
Answer: ________ %
Answer: ________ guests
Which type of entree is selected least often? Circle the correct answer.1.
What percentage of the guests selected a meat entree? Round your answer to the nearesttenth of a percent.
2.
How many more guests selected a seafood entree than selected a meat or vegetarian entreecombined?
3.
Legal to Copy 133
Answer: ________ %
Answer: ________ pages
Answer: ________
Lakeesha took a survey and determined that 48 out of 160 people prefer chocolate ice creamover vanilla ice cream. What percent of the people prefer chocolate ice cream?
4.
Cedric wants to read 85% of the pages in a book by Saturday. The book has 160 pages. Howmany pages should Cedric read by Saturday?
5.
What is the decimal equivalent of 38%?6.
134 Legal to Copy
Unit 28 Math Pre-Assessment Answer Key
vegetarian1.
33.82.
283.
304.
1365.
0.386.
Legal to Copy 135
136 Legal to Copy