Course 3 Think Smart for the Smarter Balanced Assessment
Scatter Plots
Course 3
Think Smart for the Smarter Balanced Assessment
? Smarter Balanced Assessment Item Types ? Countdown to SBAC ? Chapter Tests in SBAC Format ? Chapter Performance Tasks, Rubrics,
and Student Work Samples ? Benchmark Tests with Performance Tasks
Go online for more!
connectED.mcgraw-
? Question Analysis Charts ? Student Scoring Rubrics ? Technology-Enhanced Questions ? More Performance Tasks!
NAME
DATE
Countdown: 10 Weeks
PERIOD
1. The path of a kicked ball can be modeled by the equation y = 2x2. 8.F.3
Part A: Graph points for values of x from 0 to 3.
Part B: Is the function a linear function? Justify your answer in two ways.
SCORE
y 20
18
16
14
12
10
8
6
4
2
x
O 1 234 5
2. A pet spider is kept in a shoe box and sleeps in the bottom 9 in.
front left corner. She strings a web from her sleeping corner
and moves along it to the top back right corner. To return to 6 in. her sleeping corner, she walks down the edge of the box
and across the bottom to the front left corner. How much
farther did she walk on her return walk? Round to the
15 in.
nearest tenth of an inch. 8.G.7
3. The diameter of Earth is 7,918 miles. A superhero can travel at the speed of light, 1.86 x 105 miles per second. Approximately how many times can the superhero circle the Earth at the equator in 1 second? Round to the nearest tenth. Justify your answer. 8.EE.3, 8.EE.4
Copyright ? McGraw-Hill Education. Permission is granted to reproduce for classroom use.
Course 3 ? Countdown ? 10 Weeks 33
4. Zeke and Nelly are working on a lab for their physical science class. They measure how far a car rolled after it left a ramp. Zeke measures 25 inches. Nelly says they can record 0.583 yards. Is Nelly correct? Explain why or why not. 8.NS.1
5. Three families track their distance while traveling to the band competition. Each family recorded the data in a different form. Write the appropriate label to order the families by speed from fastest to slowest. 8.F.4
Rodriguez family
1: Fastest 2: Middle speed 3: Slowest
Time (h) 0.75 2.5 3
Distance (mi) 45 150 180
Martin family
Distance (mi)
y 150
125
100
75
50
25
x
O 1 234 56
Time (h)
Brown family
y = 56x, where x is number of hours and y is distance in miles
Think Smart for SBAC
On the actual test, you might be asked to drag the expressions into the appropriate box. In this book, you will be asked to write the expressions instead.
Copyright ? McGraw-Hill Education. Permission is granted to reproduce for classroom use.
34 Course 3 ? Countdown ? 10 Weeks
Course 3 ? Countdown
Copyright ? The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom
NAME
DATE
Countdown: 10 Weeks
PERIOD
1. The path of a kicked ball can be modeled by the equation y = 2x2. 8.F.3 Part A: Graph points for values of x from 0 to 3.
Part B: Is the function a linear function? Justify your answer in two ways.
The function is not linear. Sample answer: The equation is not in the form y = mx + b because x is squared. The points do not lie on a straight line.
SCORE
y 20 18
(3, 18)
16
14
12
10
(2, 8)
8
6 (1, 2) 4
2 (0, 0)
x
O 1 234 5
2. A pet spider is kept in a shoe box and sleeps in the bottom 9 in.
front left corner. She strings a web from her sleeping corner
and moves along it to the top back right corner. To return to 6 in. her sleeping corner, she walks down the edge of the box
and across the bottom to the front left corner. How much
farther did she walk on her return walk? Round to the
15 in.
nearest tenth of an inch. 8.G.7
5.0 in.
3. The diameter of Earth is 7,918 miles. A superhero can travel at the speed of light, 1.86 x 105 miles per second. Approximately how many times can the superhero circle the Earth at the equator in 1 second? Round to the nearest tenth. Justify your answer. 8.EE.3, 8.EE.4
7.5 times; Sample answer: The circumference of Earth is 7,918(3.14) 24,862.52 miles. In 1 second, the superhero travels 1.86 x 105 miles. Divide (1.86 x 105) ? 24,862.52 7.5.
4. Zeke and Nelly are working on a lab for their physical science class. They measure how far a car rolled after it left a ramp. Zeke measures 25 inches. Nelly says they can record 0.583 yards. Is Nelly correct? Explain why or why not. 8.NS.1
_ _ No,
Nelly
is
not
correct;
25
in.
=
25 36
yd
and
25 36
0.694.
5. Three families track their distance while traveling to the band competition. Each family recorded the data in a different form. Write the appropriate label to order the families by speed from fastest to slowest. 8.F.4
Rodriguez family
1: Fastest
1: Fastest 2: Middle speed 3: Slowest
Time (h) 0.75 2.5 3
Distance (mi) 45 150 180
Martin family
y 150
125
100
75
50
25
x
O 1 234 56
Time (h)
Brown family
y = 56x, where x is number of hours and y is distance in miles
3: Slowest 2: Middle speed
Think Smart for SBAC
On the actual test, you might be asked to drag the expressions into the appropriate box. In this book, you will be asked to write the expressions instead.
Copyright ? McGraw-Hill Education. Permission is granted to reproduce for classroom use.
Distance (mi)
Countdown: 10 Weeks
Copyright ? McGraw-Hill Education. Permission is granted to reproduce for classroom use.
181
033-034_SBAC_A_C3_CD10_793945.indd 33
Course 3 ? Countdown ? 10 Weeks 33
34 Course 3 ? Countdown ? 10 Weeks
25/11/14 12:100P3M3-034_SBAC_A_C3_CD10_793945.indd 34
Countdown
25/11/14 12:10 PM
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