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IGCSE Math G6 S2 W05 Revision Quizizz

Total questions: 42

Worksheet time: 1hrs 14mins

Name
Class
Date
1.
Classify 3
a)
Natural, Whole, Integer, Rational
b)
Whole, Rational
c)
Integer
d)
Rational
2.
Classify 0
a)
Whole
b)
Integer
c)
Rational
d)
All of the above
3.
Classify the following:
0.04769165821735......
a)
Irrational
b)
Rational
4.
Classify the following:
 -78
a)
integer
b)
integer, real
c)
integer, whole, rational
d)
integer, rational, real
5.
What is the definition of integers?
a)
Numbers you count on your fingers and toes
b)
Natural numbers and zero
c)
Whole numbers and their opposites
d)
Terminating or repeating decimals
6.
Classify the following:
√13?
a)
Rational
b)
Irrational
7.
Classify the Number: 120
a)
Counting, whole, integers rational, real
b)
Irrational, real
c)
whole
d)
Whole, counting
8.
How would 5/9 be classified?
a)
rational and real
b)
whole and integer
c)
only real
d)
only irrational
9.
-14 could NOT be which type of number?
a)
Integer
b)
Real
c)
Rational
d)
Natural
10.
Classify 17/10
a)
Whole
b)
Rational
c)
Natural
d)
None of the above
11.
How many sig. fig. are in the number below:
350.540
a)
4
b)
5
c)
6
d)
7
12.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
13.
How many Significant Figures in the number below?
4.56 x 103
a)
5
b)
4
c)
6
d)
3
14.
How many Significant Figures in the number below?
4,500
a)
3
b)
4
c)
2
d)
1
15.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
16.
What is 98.907 rounded to 1 significant figure?
a)
98.9
b)
90
c)
100
d)
98.91
17.
Round 720.36 to two sig figs
a)
72
b)
73
c)
720
d)
720.00
18.
Solve & Round to Correct Sig Figs.
4.5 x 2.34 = 
a)
11
b)
10.52
c)
10.5
d)
10
19.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
20.
Express the following in scientific notation:
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
21.
UNDERSTANDING
If the exponent is a positive number...
a)
you will get a large number
b)
you will get a smaller number
22.
UNDERSTANDING
If the exponent is a negative number...
a)
you will get a large number
b)
you will get a small number
23.
When your exponent is negative, you move your decimal....
a)
to the right
b)
to the left
c)
to both sides
d)
nowhere.... the decimal goes nowhere
24.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
25.

Use the distributive property to simplify the expression.

9(2g + 3)

a)

18g + 27

b)

18g - 27

c)

-18g - 27

d)

18g - 18

26.

Simplify the expression by combining like terms.

9x2+14x-x2+6x

a)

8x2+20x

b)

9x2+20x

c)

10x2+20x

d)

8x2+8x

27.

Simplify the expression

8(2x+3)-13

a)

16x+11

b)

16x

c)

24x+41

d)

4-24x

28.

Simplify the expression.

6(2a+5b)+3(a-8b)

a)

15a+6b

b)

21ab

c)

5a

d)

15a-6b

29.
Simplify the Expression: -1(2x + 3) - x
a)
-x + 3
b)
3x + 3
c)
4x + (-2)
d)
-3x - 3
30.
Match the graph with its inequality.
a)
11 < a
b)
11 > a
c)
 11 ≤ a
d)
 11 ≥ a
31.
-4x + 14 ≤ 54
a)
x ≥ -10
b)
x ≤ -10
c)
x ≥ 10
d)
x ≤ 10
32.
10 < 3x + 19
a)
x < 3
b)
x > 3
c)
x < -3
d)
x > -3
33.
What inequality does the number line graph represent?
a)
-x + 4 ≥ -1
b)
-2x + 3 > -7
c)
-x + 1 < -4
d)
2x + 3 ≥ 13
34.

Write an inequality for Graph 3.

a)

x ≤ -2 AND x > 5

b)

x ≤ -2 OR x > 5

35.
Write an inequality for Graph 4.
a)
-2 < x < 5
b)
x < -2 or x > 5
c)
x ≥ -2 OR x < 5
d)
-2 ≤ x ≤ 5
36.

What inequality is graphed?

a)

x > 2 and x ≤ -3

b)

x > 2 and x < -3

c)

x > 2 or x ≤ -3

37.

Question 8: Find the solution to the simultaneous equations

6x + 3y = 21 and 4x - 2y = 10

a)

x = 7, y = 3

b)

x = 2, y = 4

c)

x = 5, y = 2

d)

x = 3, y = 1

38.

Question 10: Solve the following system of equations

10x - 4y = 22 and 6x + 5y = 28

a)

x = 3, y = 2

b)

x = 5, y = 4

c)

x = 2, y = 6

d)

x = 7, y = 1

39.

Penny buys 5 adult tickets and 4 child tickets for the theatre. The tickets cost her a total of £177. Barney buys 4 adult tickets and 4 child tickets at a total cost of £152. Find the cost of one adult ticket and one child ticket.

a)

Adult = £25

b)

Child = £17

c)

Adult = £34

d)

Child = £13

40.
Christian had brochures printed for a new business venture. Christian originally ordered 4 boxes of black-and-white brochures and 3 boxes of colour brochures, which cost a total of $134. After those ran out, Christian spent $120 on 3 boxes of black-and-white brochures and 3 boxes of colour brochures. Which system represents this situation?
a)
x+y=134
x+y=120
b)
3x+3y=134
4x+3y=120
c)
4x+3y=134
3x+3y=120
d)
7xy=134
6xy=120
41.

The little bunny ate 20 carrots and he could eat another 5 carrots a day. The big bunny had already eaten 60 carrots and he could eat 25 more carrots a day. Write a system of equations for this situation.

a)

y = 5x + 20

y = 25x + 60

b)

y = 20x + 5

y = 60x + 25

c)

y = 60x + 5

y = 20x + 25

d)

y = 5x + 60

y = 25x + 20

42.

The little bunny ate 20 carrots and he could eat another 5 carrots a day. The big bunny had already eaten 60 carrots and he could eat 25 more carrots a day. After how many days have the two bunnies eaten the same amount of carrots?

a)

5 days

b)

2 days

c)

6 days

d)

4 days

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