PART 2
STRAIT REGIONAL SCHOOL BOARD
GRADE 8 ASSESSMENT
June, 2009
NAME _________________________
Teacher _________________________
School _________________________
MULTIPLE CHOICE: Please write the letter of the best possible answer in the space at
the left. ( 1 point each)
23. ______ Find 15 % of 60
A) 900 B) 9
C)
90
D) 0.9
24. ________ What is 8 x 10-7
A) 80 000 000 B) 10 000 000 C) 0.000 000 8 D) 8 000 000
25. _______ How many faces does a pentagonal prism have?
A) 7 B) 10 C) 5 D) 12
26. _____ A brick has the following dimensions: Length 32 cm, width 100mm, and
height 8 cm. What is the surface area of the brick?
A) 2560 cm2 B) 8512 cm2 C) 1152 cm2 D) 1312 cm2
27. _____ If the length and width of a rectangle are increased by 20%, What is
the percent increase in the area of the rectangle?
A) 20% B)40% C) 400% D) 44%
28. _____ What is the length of side y as shown in this figure.
A) 6 cm
B) 2 cm
C) 18 cm
10cm
D) 3 cm
8cm
Y
29. _____ A headline stated: “40% of parents feel children watch too much
television.” How many parents would be expected to agree with this
statement in a sample of 75 parents?
A) 30 B) 40
C) 63 D) 28
30. _____ A bag of marbles contains 12 black marbles, 4 blue marbles, 1 red
marble, and 8 yellow marbles. What is the probability of drawing a marble
that is neither black nor yellow?
A) 80% B) 52% C) 60% D) 20%
31. _____ What is the sum of 9  16
A) 7 B) 5 C) 25 D) 12
32. _____ What is the result when (3x - 4) is multiplied by 3?
A) 9x – 12
B) 9x + 12
C) 3x - 12
D) 3x - 1
33. _____ What product is shown on this number line?
2
A)
x2
3
2
2
B)
x
6
3
4
C) 1 x
6
1
D) 2 x
3
0
1
34. _____ Solve for X
5(3x - 4) = (25)
A) - 5
B) 3
C) - 3
D) 5
1
and - 0.4
3
2
C) D) - 0.21
9
35. _____ Which number lies between A)
- 0.35
B)
1
5
36. _____ Mr Connolly polled his office co-workers on which candidate they would vote
for in a local election. Here are the results. Smith 42; Jones 16; Ames 32; What
is the probability that the next person surveyed will vote for Mr Jones?
A) 16% B) 18% C) 50% D) 33%
37. _____ ABCD is a trapezoid. Transversal EF is // to BC.  DAE is equal to 100o
and  EFD is equal to 65o. What is the size of  ADF?
E
A
B
D
C
F
A) 15o
B) 115o
C) 80o
D) 120o
PART B: Please show all of your work for this part of the assessment. Be sure to
attempt all questions because marks will be given for partial answers. ( 3 points
each)
38. (A) Use a model to subtract the
following. Write your answer in
simplest form.
(5x – 3) – (-2x +1)
38. (B) Order the numbers from least to
greatest
7
5
- 0.95
3
4
1.52
0.777….
-
11
10
39. Using the table of values provided, what algebraic equation would represent the relationship in the
table?
X
1
2
3
4
5
Y
3
7
11
15
19
40. Justin and Joseph were designing a survey. Justin planned to interview 5 random
students on 10 consecutive days. Joseph planned to take 50 kids to the gym on
one day to interview. Justin said that his method would give a greater probability
of representing the population. Is he correct? Justify your answer
41. Δ ABC is isosceles. AD bisects CB. Use logical reasoning to show that Δ ABD is
congruent to Δ ADC.
A
C
D
B
42. A group of students were asked to choose their favorite sport. The results are given below.
Display their choices in a circle graph. Show all steps.
Favorite Sport
Hockey
Baseball
Basketball
Soccer
# People
18
15
9
6
PART C: 6 points each. Show all steps here. Points will be given for partial
answers.
43. Ricky is designing a sculpture for his school’s front lawn. The sculpture is to be
made from wooden cubes that all measure 24 cm along each edge. The mat plan for
his design is shown.
A) Draw the isometric view of Ricky’s sculpture from Corner B on the triangular
dot paper below. You may obtain linking cubes from your teacher if you wish to
build a model to help you.
B) If the exposed surfaces of his sculpture are to be given 3 coats of woodpreserving paint, and 1 can of paint covers 2 square meters, how many cans of paint
should be ordered? (the bottom of the sculpture will not be painted)
A
B
2
D
3
1
5
2
3
C
44. Frank is building a garden. Half will be vegetables and half will be fruit. One quarter
of the garden will be carrots, and there will be twice as many carrots as tomato plants.
1
1
He also plans
of the entire garden will be cucumbers, and
of the vegetables will
16
8
be green peppers. The only fruit that is planted is strawberries. Draw a picture of the
garden and tell the percentage each fruit and vegetable is of the entire garden
45. Maria makes candles by heating paraffin wax to make it liquid and then pours it into
cylindrical molds. If she has a block of wax measuring 25 cm x 24 cm x 20 cm, and her molds are
4 cm in diameter and 12 cm high,
A) How many candles can be made?
B) How high will the wax be in the very last mold she uses?
Candle Mold
12 cm