21
- 1 - Name: Date: 2010 M M M S S S A A A Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8

Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

  • Upload
    vothuy

  • View
    230

  • Download
    5

Embed Size (px)

Citation preview

Page 1: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 1 -

Name: Date:

2010

MMMSSSAAA Maryland School Assessment Review

MATHEMATICS Lakelands Park

GRADE

8

Page 2: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 2 -

Created By: Kristinae OLaughlin, Lakelands Park MS, 2010

Page 3: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 3 -

Part 1: No Calculators (#’s 1 – ) Read each question and choose the best answer. Then mark your answer in your student answer sheet or as directed by your teacher.

1) Evaluate this expression:

( )5 3 6 5 4− + + − +

A. -54

B. -46

C. -44

D. -36

2) Simplify this expression:

5 2 3 8x x− − − +

A. 2 6x− +

B. 2 6x− −

C. 8 6x− +

D. 8 6x− −

3) Solve this equation for x:

4 3 14x x+ − =

A. 512

B. 432

C. 523

D. 414

4) Solve this inequality for x:

17432 ≥−++ xx

A. 133

x ≥

B. 6x ≥

C. 8x ≥

D. 9x ≥

5) Which of these graphs represents the solution set for the inequality below?

2 5 9x − ≤

A.

B.

C.

D.

6) The formula to determine energy, E, is E = mgh. What is the energy of an object if m = 8, g = 9.8, and h = 10?

A. 0.784

B. 7.84

C. 78.4

D. 784

Page 4: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 4 -

7) Which of these box-and-whisker plots best represents this set of 8th grade bowling scores?

65,65,70,70,70,80,80,90,95,95,100

A.

B.

C.

D.

8) Simplify this expression: 96 ( 199)− + −

A. -295

B. -103

C. 103

D. 295

9) Simplify this expression: 87 15− ×

A. 1305

B. -72

C. 72

D. -1305

10) Simplify this square root: 144

A. 9

B. 10

C. 11

D. 12

11) Which of these circle graphs matches the data in the table below?

Music Frequency Rock 10

Country 50 Rap 50

Metal 25

A. Favorite Music

Metal7.5%

Rap18.5%

Country37.0%

Rock37.0%

B. Favorite Music

Rock37.0%

Country37.0%

Rap7.5%Metal

18.5%

C. Favorite Music

Metal18.5%

Rap37.0%

Country37.0%

Rock7.5%

D. Favorite Music

Rock37.0%

Country18.5%

Rap7.5%

Metal37.0%

12) Evaluate this power: 2)8(−

A. -64

B. -16

C. 16

D. 64

13) Which of these is equivalent to 9 64 4⋅

A. 49●6

B. 49 – 6

C. 49 + 6

D. 49 ÷ 6

Page 5: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 5 -

14) A study was done which matched a student’s grade in math class with their score on the math SAT. The data is represented in the table below.

Math Grade

SAT Math Score

62 350 68 370 71 410 75 410 80 530 90 540 95 590 97 610

100 630

A.

Grade vs SAT Score

50

250

450

650

850

60 65 70 75 80 85 90 95 100

Math Grade

SAT

Scor

e

B.

Grade vs SAT Score

50

250

450

650

850

60 65 70 75 80 85 90 95 100

Math Grade

SAT

Scor

e

C.

Grade vs SAT Score

50

250

450

650

850

60 65 70 75 80 85 90 95 100

Math Grade

SAT

Scor

e

D.

Grade vs SAT Score

50

250

450

650

850

60 65 70 75 80 85 90 95 100

Math Grade

SAT

Scor

e

15) Look at the expression below.

5n – 10 – 3n + 4

Which expression is equivalent to the given expression?

A. 2 (n - 3)

B. 2 (n + 3)

C. 2 (n - 6)

D. 2 (n - 7)

16) Solve:

9d + 7 – 4d ≤ 52

A. d ≤ 7

B. d ≤ 9

C. d ≥ 7

D. d ≥ 9

17) Find the volume of a cylinder with a base diameter of 20 cm and a height of 20 cm

(Use π = 3.14)

A. 6,280 cm³

B. 3,140 cm³

C. 1,256 cm³

D. 628 cm³

Page 6: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 6 -

18

Page 7: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 7 -

19

Page 8: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 8 -

20

Page 9: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 9 -

21

Page 10: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 10 -

22

Page 11: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 11 -

Part 2: Calculators Allowed (#’s 23 – 40) Read each question and choose the best answer. Then mark your answer in your student answer sheet or as directed by your teacher.

23) Look at the sequence below.

1, 4, 16, ___, ___, ___, ___, 16,384,...

What is the seventh number in the sequence?

A. 64

B. 256

C. 1024

D. 4096

24) President Abraham Lincoln was 6 feet 4 inches tall. An artist wants to make a larger-than-life statue of Lincoln using a scale of 1 inch = 3 feet. How tall will the statue be?

A. 10 feet 11 inches

B. 18 feet 9 inches

C. 19 feet

D. 15 feet 4 inches

25) A micron is a unit of measurement equivalent to 0.000039 inch. What is the distance expressed in scientific notation?

A. 0.39 x 10-4 in.

B. 3.9 x 10-4 in.

C. 3.9 x 10-5 in.

D. 3.9 x 10-6 in.

26) Taylor was earning an income of $1,000 a week. Then his income was reduced by 10%. Two months later, his income increases by 10%. How much is Taylor earning, in dollars?

A. $990

B. $999

C. $1,000

D. $1,100

27) Carol is re-finishing her kitchen floor. The dimensions of her kitchen floor are shown below.

Note: The figure is not drawn to scale.

What is the area, in square feet, of Carol's kitchen floor? Round your answer to the nearest whole number. Use = 3.14.

A. 349 square feet

B. 325 square feet

C. 89 square feet

D. 350 square feet

28) The outcomes for the sum of rolling two number cubes are shown below.

What is the probability of getting a sum of 9 when rolling two number cubes?

A. 366

B. 364

C. 362

D. 361

Page 12: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 12 -

29) Which integer is closest to 30 ?

A. 5

B. 6

C. 7

D. 8+

30) Which list shows these numbers from least to greatest?

61.0 , 53 , %5.62

A. 53 , 61.0 , %5.62

B. 53 , %5.62 , 61.0

C. %5.62 , 53 , 61.0

D. 53 , %5.62 , 61.0

31) Alexandra conducted a survey of 50 toys made at a toy factory. She determined that 6% of the toys had mistakes. Based on the results of the survey, what prediction can she make about the next 500 toys made?

A. 6 toys will have mistakes.

B. 30 toys will have mistakes.

C. 60 toys will have mistakes.

D. 300 toys will have mistakes.

32) George has a bag of marbles. There are 5 red, 3 green and 2 blue marbles inside. He draws out two marbles in a row, without replacing them. What is the number of possible outcomes?

A. 10

B. 20

C. 90

D. 100

33) Mrs. Malchodi gave a quiz last week. The results for two of her classes are shown on the box-and-whisker plots below.

Which sentence best describes the quiz results? A. The medians for the two classes are the same.

B. Class A has a smaller range of scores in the upper quartile than Class B.

C. Class B performed better than Class A.

D. The lower extreme of Class B is greater than the lower extreme of Class A.

34) Trapezoid LMNQ and trapezoid RTSU, shown below, are similar. L M R T

Q N

Note: The figure is not drawn to scale. U S

What is the measure, in degrees, of T∠ ?

A. 30°

B. 45°

C. 135°

D. 150°

35) A box contains 5 bags of chips, 4 bags of pretzels and 1 bag of crackers. Andre reaches in the box and randomly picks two bags, one after the other. What is the probability that Andre chooses a bag of chips if the first bag was pretzels?

A. 101

C. 94

B. 95

D. 21

30° 135°

45° 150°

Page 13: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 13 -

36) Kristinae used a straight edge and compass to construct the following. What example of construction did she show?

A. angle bisector

B. perpendicular line through a given point

C. perpendicular bisector

D. congruent segments

37) A circle has a radius of 5cm. Which is the best estimate of the circumference of the circle?

A. 7 cm

B. 31 cm

C. 16 cm

D. 100 cm

38) Which pair of angles are alternate exterior angles in the diagram below?

M

N

Note: Line M is parallel to Line N.

A. 1∠ and 8∠

B. 4∠ and 6∠

C. 2∠ and 8∠

D. 2∠ and 6∠

Use the box-and-whisker plots below for Questions 39 – 40.

Populations of Countries in South America and Africa

(in millions of people)

(source: www.aneki.com)

39) What is the approximate difference between the lower and upper quartiles for Africa?

A. 170

B. 100

C. 35

D. 30

40) Which statement is accurate based on the box-and-whisker plots?

A. The median population of the countries in Africa is less than the median population of the countries in South America.

B. The country with the greatest population in Africa has a greater population than the country with the greatest population in South America.

C. There are more people in Africa than in South America.

D. The lower quartile population of countries in Africa is greater than the median population of countries in South America.

Page 14: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 14 -

41) Mrs. Kron paid $22.68 for 6 gallons of gasoline. At that rate, how much would she pay for 15 gallons of gasoline?

A. $3.78

B. $22.68

C. $45.36

D. $56.70

42) Triangle is similar LNO is similar to triangle

PQR. Find the missing measure for PR .

L

16 km 34km

O 30km N

P

? 51km

R 45 km Q

A. 12.8 km

B. 24 km

C. 51 km

D. 30 km

43) Harrieta typed 2,035 words in 37 minutes. What was her rate of speed?

A. 35 words per minute

B. 45 words per minute

C. 55 words per minute

D. 65 words per minute

44) Which linear equation matches this graph?

-5

-4

-3-2

-1

0

1

23

4

5

-5 -4 -3 -2 -1 0 1 2 3 4 5

A. y = 4 – x

B. y = x + 4

C. y = x – 4

D. y = 4x

45) Find the value of x using the Pythagorean Theorem.

P

18 in x

R 24 in Q

A. 6 in.

B. 12 in.

C. 30 in.

D. 36 in.

Page 15: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 15 -

46

Page 16: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 16 -

47

Page 17: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 17 -

48

Page 18: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 18 -

49

Page 19: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 19 -

50

Page 20: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 20 -

51

Page 21: Name: Date: 2010 MSA - Montgomery County Public Schools€¦ · Name: Date: 2010 MSA Maryland School Assessment Review MATHEMATICS Lakelands Park GRADE 8 - 2 - Created By: Kristinae

- 21 -

52