2015_HISD_SNAP1_MAT_G8
1.
Examine the list below.
Which answer choice below shows the list above in order from greatest to
least?
A.
B.
C.
D.
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2.
Mr. Jefferson’s telescope gauges the distance, in miles, from the Earth
to other planets. He recorded some of the distances and the results are
displayed in the table below.
Planet Distances
Mr. Jefferson converts the distances in the table to scientific notation. What
exponent is used to write the distance of the planet farthest from Earth?
Record your answer, and fill in the bubbles on your answer document. Be
sure to use the correct place value.
3.
Mrs. Zapata’s seventh grade class is playing the “Real Number System”
bingo. Several numbers are selected at random from a spinning wheel.
Which answer choice below lists the numbers selected in order from least to
greatest?
A.
B.
C.
D.
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4.
Examine the graph below:
Which pair of points below has the same slope as the line through points A
and B in the graph?
F. (-1,1) and (-3,-3) because they have a slope of 2
G. (-1, 6) and (4, -4) because they are on the same line as the points
shown above
H. (0, 4) and (1, 3) because they have a slope of −2
J. (5, −6) and (4, −3) because they are on the same line as the points
shown above
5.
Shawnesse earns $110 each day when she works on her father’s food
truck, plus a $50 monthly attendance incentive if she arrives at work on
time every day. Last month, Shawnesse, was on time every day. Which
equation best represents the linear relationship between x, the number
of days Shawnesse worked on the food truck last month, and y, the total
amount of money she earned last month?
A.
B.
C.
D.
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6.
The table below represents a linear function.
x
y
2
3
4
11
9
31
10
35
What is the y-intercept of the function?
F. -5
G. 4
H. 0
J. 1.25
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7.
The total cost to purchase cans of soup is proportional
to the number of cans purchased. Four cans of soup cost
$5.00. Which graph below can be used to determine the
cost of purchasing 8 cans of soup?
A.
C.
B.
D. Not here
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8.
Examine the graph below.
Which answer choice below correctly interprets the unit rate of the situation
represented by the graph?
F. There are 4 ounces of sugar in a dozen cookies.
G. There are 8 ounces of sugar in a dozen cookies.
H. There are 16 ounces of sugar in three dozen cookies.
J. There are 32 ounces of sugar in four dozen cookies.
9.
An air conditioner repair service charges $60 for a service call plus
$30 per hour of labor. What is the y-intercept of the equation that
represents this situation?
Record your answer, and fill in the bubbles on your answer document.
Be sure to use the correct place value.
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10.
The amount of money Anh earns at her job is proportional to the number of
hours she works as displayed in the table below.
Anh's Earnings
Which graph below models the relationship in the table above and gives the
correct units?
F.
H.
G.
J.
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11.
Examine the table of values displayed below.
x
0
2
3
5
y
9
1
-3
-11
What is the rate of change for the ordered pairs in the table above?
A. 4
B. 2
C. -2
D. -4
12.
Marcus and Monique are 8th grade math scholars who are trying to
determine which approximation is a better estimate for . Marcus believes
3.14 is the better approximation, while Monique chooses
which scholar is correct and justify your answer.
F.
Monique is correct, because
is closer to
. Determine
on the number line.
G. Marcus is correct, because 3.14 is closer to π on the number line.
H.
J.
Monique and Marcus are both correct, because
same estimate for π.
Neither are correct, because
the number line as π.
2015_HISD_SNAP1_MAT_G8
and 3.14 are the
and 3.14 share the same point on
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13.
The graph below shows the amount of money Leslie saved over a 6-week
period.
What does the rate of change and y-intercept represent in the graph above?
A. The rate of change represents the initial amount of $20 Leslie put in
her savings, and the y-intercept represents the $30 she saved each
week.
B. The rate of change represents the initial amount of $30 Leslie put in
her savings, and the y-intercept represents the $20 she saved each
week.
C. The rate of change represents the $20 Leslie saved each week, and
the y-intercept represents the $30 she initially put in her savings.
D. The rate of change represents the $30 Leslie saved each week, and
the y-intercept represents the $20 she initially put in her savings.
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14.
The table shows four numerical expressions. Suppose each expression is
evaluated and the result is written in scientific notation. What will be the
power of 10 of the expression with the least value?
Calculation Number
1
Expression
2
3
4
Record your answer, and fill in the bubbles on your answer document. Be
sure to use the correct place value.
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15.
Which number line best represents a graph for the value of
?
A.
B.
C.
D.
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16.
The graph below shows the linear relationship between x, the number of
minutes Troy swam, and y, the total distance swam.
Which equation best represents the linear relationship between x and y, as
shown in the graph?
F.
G.
H.
J.
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17.
Which table correctly classifies the numbers
and
?
A.
Natural
Whole
Integer
Rational
Irrational
Real
B.
Natural
Whole
Integer
Rational
Irrational
Real
C.
Natural
Whole
Integer
Rational
Irrational
Real
D.
Natural
Whole
Integer
Rational
Irrational
Real
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18.
The graph below represents the cost for a party held at two different hotels.
Which answer choice below does NOT accurately describe the graph above?
F. The graph for Hotel Farmington represents a proportional relationship
because the line shows a constant rate of change.
G. The graph for Hotel Royale represents a proportional relationship
because the line crosses through the origin.
H. The graph for Hotel Farmington represents a non-proportional
relationship because it has a y-intercept of 25.
J. The graph for Hotel Royale represents a proportional relationship
because the ratio between the cost and the number of guests is
constant.
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STAAR
STAAR GRADE 8 MATHEMATICS
REFERENCE MATERIALS
®
State of Texas
Assessments of
Academic Readiness
LINEAR EQUATIONS
Slope-intercept form
y = mx + b
Direct variation
y = kx
Slope of a line
m =
y2 − y1
x2 − x1
CIRCUMFERENCE
Circle
C = 2π r
or
C = πd
AREA
Triangle
A = 1 bh
2
Rectangle or parallelogram
A = bh
Trapezoid
A = 1 (b1 + b2)h
2
Circle
A = πr 2
SURFACE AREA
Lateral
Total
Prism
S = Ph
S = Ph + 2B
Cylinder
S = 2π rh
S = 2π rh + 2π r 2
VOLUME
Prism or cylinder
V = Bh
Pyramid or cone
V = 1 Bh
3
Sphere
V = 4 πr 3
3
ADDITIONAL INFORMATION
Pythagorean theorem
a2 + b 2 = c 2
Simple interest
I = P rt
Compound interest
A = P (1 + r )t