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Worksheets

Grade 8 end of topic

Total questions: 35

Worksheet time: 1hrs 4mins

Name
Class
Date
1.

Which of the following is an example of finding the total, or sum, by combining two or more numbers?

a)

2+2=42+2=4  

b)

2÷2=12\div2=1  

c)

2×2=42\times2=4  

d)

2−2=02-2=0  

2.

Round 8 765 to the nearest 100

a)

8760

b)

8770

c)

8 700

d)

8 800

3.

Round 12 654 to the nearest 1000

a)

13 000

b)

12 600

c)

12 000

d)

12 660

4.

Round 123,456 to the hundred thousands place.

a)

100,000

b)

123,000

c)

120,000

d)

110,000

5.

Round 1,295,631 to the hundreds place.

a)

1,000,000

b)

600

c)

1,295,600

d)

1,295,7000

6.
Round 58,345 to the nearest thousand. 
a)
58,000
b)
59,000
c)
9,000
d)
58,300
7.
What is the Rule for this sequence?
3, 7, 11, 15, ...
a)
+6
b)
+5
c)
+4
d)
+2
8.
What are the next 2 terms:
1/3, 2/3, 1, 4/3...
a)
2 and 7/3
b)
5/3 and 2
c)
5/3 and 7/3
d)
none of the above
9.

What do we call this sequence: 1, 31, 61, 91,...

a)

Arithmetic Sequence

b)

Geometric Sequence

c)

Square Number Sequence

d)

Cube Number Sequence

10.

Define arithmetic sequences.

a)

A sequence whose terms change by adding the same number each time.

b)

A sequence whose terms change by multiplying the same number each time.

c)

A sequence whose terms change by dividing the same number each time.

d)

A list of numbers that often (but not always) form a pattern.

11.
What are the next 3 terms in this sequence of terms? 3, 7, 11, 15
a)
18, 22, 26
b)
19, 21, 23
c)
19, 23, 27
d)
18, 21, 24
12.
Arithmetic sequences involve
a)
multiplication and division
b)
multiplication and addition
c)
addition and subtraction
d)
subtraction and division
13.

Find the rule:

8, 14, 20, 26, ...

a)

t(n) = 6n + 2

b)

t(n) = 8n + 6

c)

t(n) = 2n + 6

d)

t(n) = 6n + 8

14.

Write the first 5 terms represented by the equation t(n)=3n+2

a)

2, 5, 8, 11, 14

b)

5, 8, 11, 14, 17

c)

3, 5, 7, 9, 11

d)

2, 6, 18, 54,162

15.
Change from standard form to scientific notation: 12,000,000
a)
12.0  x  107
b)
0.12  x  107
c)
1.2  x  106
d)
1.2  x  107
16.
Change from standard form to scientific notation:  0.000398
a)
39.8  x  10-5
b)
3.98  x  10-5
c)
3.98  x  10-4
d)
39.8  x  10-6
17.
Change from standard form to scientific notation: 0.004078
a)
4.078  x  10-3
b)
4.078  x  103
c)
40.78  x  10-4
d)
.4078  x  10-2
18.
125,678,000: Change to scientific notation
a)
1.25678  x  1012
b)
.125678  x  10-9
c)
12.5678  x  108
d)
1.25678  x  108
19.
Which number is correctly written in scientific notation?
a)
8.2 x 102
b)
82 x 107
c)
3.45 x 94
20.
Multiply:
(9.4 x 106)(3.2 x 105)
a)
30.08 x 1011
b)
3.8 x 101
c)
3.008 x 1012
d)
2.9375 x 101
21.
What is the ratio to the picture shown, triangles to squares?
a)
2:6
b)
5:6
c)
3:4
d)
4:3
22.
Solve the proportion.
a)
k=5
b)
k=3.3333333
c)
k=60
d)
k=90
23.
Write if the given proportion is 'True' or 'False':
8 : 9 = 24 : 18
a)
TRUE
b)
FALSE
c)
dont know
d)
none of these
24.
Solve for x
a)
x=6
b)
x =1/6
c)
x = 7
d)
x=9
25.
Solve the proportion.
a)
20
b)
7
c)
22
d)
11
26.
A class has 30 students. 18 are boys. What is the ratio of boys to girls?
a)
12:18
b)
3:2
c)
30:18
d)
18:7
27.
Calculate 10% of 80
a)
5
b)
7
c)
8
d)
10
28.

CHANGE THE FOLLOWING INTO PERCENT:

6.07

a)

6.07%

b)

607%

c)

670%

d)

60.7%

29.
a)

216

b)

2160

c)

2656

d)

2616

30.
a)

19080

b)

16920

c)

17400

d)

1080

31.

Find the percentage change in the following price reduction:


£45 to £32.85

a)

27%

b)

73%

c)

38%

d)

62%

32.

Find the percentage change in the following price increase:


£650 to £728

a)

12%

b)

88%

c)

18%

d)

82%

33.
Find 25% of 80 kg
a)
40 kg
b)
10 kg
c)
8 kg
d)
20 kg
34.

Find a 19% decrease on £630

a)

£510.30

b)

£501.30

c)

£510.10

d)

£501.10

35.

Find the new value when $20 is increased by 10%

a)

$21

b)

$22

c)

$30

d)

$40

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