Grade 8 Sample Assessment Questions

Multiple Choice

1. One of the smallest insects, the parasite wasp, has a mass of 0. 000 005 1

grams. In scientific notation, the mass is

A) 5.1 ´ 10-7 B) 5.1 ´ 10-6 C) 5.1 ´ 106 D) 5.1 ´ 107

(Answer - B)

1. Which is 0.5% of 120?

A) 0.6 B) 6.0 C) 60 D) 600

(Answer - A)

2. Which is 0.5% of 800?

A) 4 000 B) 400 C) 40 D) 4

(Answer - D)

3. Which is 0.5% of 240

A) 1.2 B) 12 C) 120 D) 1 200

(Answer - A)

1. Which is least?

A) -15 - (-3) B) -15 ÷ (-3) C) -15 ´ (-3) D) – 15 + (-3)

(Answer – D)

2. Which arrangement of tiles models -2?

(Answer - B)

1. Sarah bought bananas, apples and pears. The ratio of bananas to apples was 3 to 5 and the ratio of apples to pears was 4 to 2. She bought 12 bananas. How many pears did she buy?

A) 10 B) 12 C) 20 D) 42

(Answer - A)

2. Shawn bakes 2000 bagels in an 8-hour work day. On the average, how many bagels does he bake in a half-hour?

A) 125 bagels B) 250 bagels C) 8 000 bagels D) 16 000 bagels

(Answer - A)

3. If the Student Council has 36 members and the ratio of girls to boys is 4:5, then the number of boys on the student council is:

A) 5 B) 9 C) 16 D) 20

(Answer - D)

4. The table show some information about the grade 8 students in a school

Left-handed / Right-handed
Girls / 12 / 36
Boys / 12 / 60

What is the ratio of left-handed students to right-handed students?

A) 1:3 B) 1:4 C) 1:5 D) 1:10

(Answer - B)

1. A store has put all jeans on sale at 20% off. The original price of a pair of jeans was $54.00. What is the sale price?

A) $10.80 B) $34.00 C) $43.20 D) $64.80

(Answer - C)

2. The population of New Brunswick is about 760 000 and the population of Canada is about 32 000 000. About what percent of the population of Canada is New Brunswick’s population?

A) 40% B) 25% C) 4% D) 2.5%

(Answer - D)

1. A jacket cost $32. The price was reduced by 35%. What is the sale price?

A) $11.20 B) $18.00 C) $20.80 D) $23.00

(Answer - C)

2. Jeff’s salary increased from $6.00 an hour to $7.50 an hour. What was the percent increase?

A) 15% B) 20% C) 25% D) 30%

(Answer - C)

3. Jeff’s salary was increased from $6.25 an hour to $6.75 an hour. What was the percent increase?

A) 5% B) 6% C) 7% D) 8%

(Answer - D)

5. The price of CDs at a local music store increased from $16 to $20 each.

What was the percent increase?

A) 20% B) 25% C) 75% D) 80%

(Answer -B)

6. Janice bought 2 novels regularly priced at $24 and $18. They were reduced by 25%. How much did Janice save?

A) $6.00 B) $10.50 C) $17.00 D) $31.50

(Answer - B)

7. The cost of a ticket for the evening movie is $8.00 except for “cheap night” when the cost of a ticket is $5.00. By what percent is the price reduced?

A) 37.5% B) 40% C) 60% D) 62.5%

(Answer - A)

8. Jeff’s salary increased from $8.00 an hour to $10.00 an hour. What was the percent increase?

A) 30% B) 25% C) 20% D) 15%

(Answer - B)

1. Find the missing numerator to make the following sentence true:

+ =

A) 18 B) 10 C) 5 D) 2

(Answer - D)

2. Find the missing numerator to make the following sentence true:

+ =

A) 2 B) 4 C) 8 D) 14

(Answer - A)

3. 6 ´ 3 + 4 ´ =

A) 11 B) 20 C) 21 D) 26

(Answer - B)

4. Find the missing fraction to make the following sentence true:

+ =

A) B) C) D)

(Answer - A)

5. Find the missing fraction to make the following sentence true:

+ =

A) B) C) D)

(Answer - D)

1. Which of the following operations is described by the diagram?

A) of B) of C) of D) of

(Answer - C)

B11

1. In a theatre, of the people present are men, are women and the rest are children. There are 450 people in the theatre. How many children are there in the theatre?

A) 120 B) 150 C) 180 D) 330

(Answer - A)

2. In a gymnasium of the people present are men, are women and the rest are children. If there are 840 people in the gymnasium, how many are children?

A) 210 B) 280 C) 350 D) 490

(Answer - C)

3. In a theatre of the people present are men, are women and the rest are children. There are 450 people in the theatre. How many children are in the theater?

A) 120 B) 150 C) 180 D) 330

(Answer - A)

B12

1. Which is least?

A) -3.4 ´ (-10) B) -3.4 – (-10) C) -3.4 ÷ (-10) D) -3.4 + (-10)

(Answer - D)

B13

1. Jane’s height is 0.75 of her brother’s height. He is 1.8 m tall. How tall is Jane?

A) 1.05 m B) 1.35 m C) 2.25 m D) 2.40 m

(Answer – B)

B14

1. The width of a rectangle is represented by n. The length is represented by n + 2. Which expression represents the perimeter of the rectangle?

n + 2

A) 2n + 2 B) 4n + 2 C) 2n + 4 D) 4n + 4

(Answer – D)

2. If m represents a positive number, which of these is equivalent to

m + m + m + m

A) m + 4 B) 4m C) m4 D) 4(m + 1)

(Answer - B)

3. Find the value of x 2 + 3y when x = 4 and y = -2

A) 2 B) 10 C) 14 D) 17

(Answer - B)

4. What is the same as 3m – 7 – (2m – 8)?

A) m – 1 B) m + 1 C) m – 15 D) m + 15

(Answer - B)

5. Which of the following is equivalent to x + 2x + 4?

A) 3x + 4 B) 2x2 C) 7x D) 4(x + 2x)

(Answer - A)

Use this legend for all algebra tile questions

6. Which expression describes the diagram below?

A) 4x + 7 B) 3x + 4 C) 2x + 1 D) x + 3

(Answer – C)

7. Which equation is represented by the diagram below?

A) -3x + 4 = -2 B) 3x – 4 = 2 C) -3x – 4 = 2 D) 3x + 4 = -2

(Answer - B)

8. Which expression describes the following diagram?

A) 2x – 1 B) 2x + 1 C) 4x + 5 D) -2x – 1

(Answer - B)

9. Which expression describes the following diagram?

A) x – 1 B) 5x + 5 C) -2x – 3 D) 3x + 2

(Answer – A)

10. The diagram below represents an equation

What would be the value of “x” for this equation?

A) x = 6 B) x = 5 C) x = 3 D) x = 2

(Answer - C)

11. Which of the following is equivalent to x + 2x + 4?

A) 4 (x + 2x) B) 2x2 + 4 C) 7x D) 3x + 4

(Answer – D)

B16

Which of the following does the diagram above represent?

A) 5(2x + 1) B) 5(-2x + 1) C) 5(-2x – 1) D) 5(2x – 1)

(Answer - D)

1. Look at the figures below. Each figure contains a number of cubes.

How many cubes would there be in the 20th figure in the pattern?

A) 40 B) 400 C) 420 D) 4000

(Answer - C)

2. Which equation describes the relationship shown in this table?

x / 1 / 2 / 3 / 4
y / 4 / 7 / 10 / 13

A) y = x + 3 B) y = 2x + 2 C) y = 3x + 1 D) y = 4x

(Answer - C)

3. Which equation describes the relationship shown in this table?

x / 1 / 2 / 3 / 4
y / 2 / 5 / 8 / 11

A) y = x + 3 B) y = x + 1 C) y = 2x + 1 D) y = 3x – 1

(Answer - D)