Math 8 - Demo

The following is a sampling of questions from our Math 8 testbank.
(Upgraded to follow the Western Canada Protocol)



NUMBER CONCEPTS

5.
A short way of writing 6 x 6 x 6 is
  1. 18
  2. 42
  3. 63
  4. 36
12.
Which statement is false?
  1. 24 = 42
  2. 25 = 52
  3. 70 = 1
  4. 25 = 32
23.
503 000 expressed in scientific notation is
  1. 0.50 x 106
  2. 5.0 x 106
  3. 5.03 x 105
  4. 50.3 x 104
34.
Calculate (4 x 100) + (3 x 10-1) + (5 x 10-3)
  1. 0.04305
  2. 0.4305
  3. 4.305
  4. 40.305

NUMBER OPERATIONS

73.
Calculate 2/3 + 4/5 =
  1. 6/8
  2. 8/15
  3. 1 3/8
  4. 1 7/15
88.
1 7/8 X 2 1/3 / 3 1/4 =
  1. 26/35
  2. 1 9/26
  3. 455/32
  4. 1365/96
97.
An assembly line worker in an auto factory works on 19 cars every 15 minutes. At this rate, how many cars will pass by the worker in 7.5 h?
  1. 76
  2. 142.5
  3. 285
  4. 570
117.
If 3 bars cost $2.34, what is the unit cost?
  1. $0.78
  2. $0.83
  3. $2.41
  4. $7.02

PATTERNS

1.
3a - 2 translated into words would read
  1. two reduced by three times a number
  2. three times a number subtracted from two
  3. a number added to three and then reduced by two
  4. three times a number reduced by two


Use the following formulas to answer questions 13 - 16

13.
Find the perimeter of a rectangle with l = w = 16 cm.
  1. 16 cm
  2. 32 cm
  3. 64 cm
  4. 128 cm


29.
The coordinates of three vertices of a square are (2, -2), (2, 1), and (-1, -2). What are the coordinates of the fourth vertex?
  1. (1, -1)
  2. (-1, -1)
  3. (-2, -2)
  4. (-1, 1)
32.
If you started at the origin and moved 3 units up, then 4 units left (parallel to the X axis), and then 2 units down, where would you end up?
  1. (-4, 1)
  2. (1, -4)
  3. (4, -1)
  4. (-1, 4)

VARIABLES AND EQUATIONS

45.
A number decreased by six, then multiplied by 4, is 45. The correct equation for this is
  1. 4x - 6 = 45
  2. x - 4 x 6 = 45
  3. 6x - 4 = 45
  4. 4(x - 6 ) = 45
46.
Jack is two years older than his sister Jane. If the sum of their ages is 20, how old is Jack?
  1. 9 years
  2. 11 years
  3. 14 years
  4. 16 years
61.
Solve m/-0.5 = 21
  1. m = 21.5
  2. m = -10.5
  3. m = 20.5
  4. m = -20.5
84.
The sum of two consecutive integers is -7. What are the integers?
  1. 9 and -2
  2. -9 and 2
  3. -1 and -6
  4. -4 and -3

MEASUREMENT

1.
A 13 m ladder is leaning against a wall. If it reaches 12 m up the wall, how far is its base from the wall?
  1. 2 m
  2. 5 m
  3. 7 m
  4. 10 m
15.
An isosceles triangle has a base of 3 cm. Each of the equal sides is 7 cm. What is its perimeter?
  1. 10 cm
  2. 13 cm
  3. 17 cm
  4. 21 cm
37.
Washers are made by punching out a circular hole in a circular metal disk. What is the area of the washer if the hole has a 1 cm diameter and the washer has a 3 cm diameter?
  1. 6.28 cm2
  2. 12.56 cm2
  3. 25.12 cm2
  4. 32.97 cm2


61.
Calculate the surface area of the Cola Can.

  1. 1727.9 cm2
  2. 3926.9 cm2
  3. 3455.8 cm2
  4. 1601.5 cm2


3-D OBJECTS AND 2-D SHAPES

87.
The sum of the angles of a hexagon is
  1. 360o
  2. 540o
  3. 720o
  4. 900o
101.
Triangles ABC and XYZ are congruent. Which statement is false?
  1. Angle A is congruent with angle X.
  2. Side AB is congruent with side XZ.
  3. Angle C is congruent with angle Z.
  4. Side YX i s congruent with side BA.
106.
If the sum of two angles of a trapezoid is 265o, what is the sum of the remaining angles?
  1. 35o
  2. 85o
  3. 95o
  4. 135o
110.
A school is an example of a(n)
  1. solid
  2. shell
  3. skeleton
  4. square

DATA ANALYSIS

3.
In conducting his survey on the favorite record of teenagers Jonah questioned only female participants between the ages of 15 and 20. This is an example of
  1. taking a biased sample
  2. taking a census
  3. taking a random sample
  4. polling a population
7.
If there are 190 school days in one school year approximate the number of brown lunch bags that are used in one school year
  1. 2850
  2. 4750
  3. 5700
  4. 8550


Use the following pictograph to answer questions 20 - 22.

20.
How much does half of a video represent?
  1. 10 000
  2. 8 000
  3. 5 000
  4. 1 000


27.
What is the median of 16, 13, 18, 29, 24, and 19?
  1. 18.5
  2. 23.5
  3. 19.8
  4. none

CHANCE AND UNCERTAINTY

Use the following information to answer questions # 33 - 36.


"A bag contains 7 red marbles, 3 blue marbles,
and one black marble."

33.
What is the mathematical probability of picking a blue marble?
  1. 3/11
  2. 4/11
  3. 8/11
  4. 3/10
39.
What is the probability of rolling a 2 on a single die?
  1. 1/3
  2. 2/3
  3. 1/6
  4. 2/6
40.
The number of times an event occurs is called
  1. mean
  2. mode
  3. median
  4. frequency
41.
A hockey team has won 7 games, tied 4, and lost 3 games. What is the probability that it will lose the next game?
  1. 1/14
  2. 3/14
  3. 4/14
  4. 7/14




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