Q. 16 x 5

Q. 16 x 5
Ans. 80

Q. 841 ÷ 10

Q. 841 ÷ 10
Ans. 84.1

Q. 2 x -5

Q. 2 x -5
Ans. -10

A. Factorise
6 x - 10

A. Factorise
6 x - 10
Ans. 2(3x-5)

Q. 2 of 45
5

Q. 2 of 45
5
Ans. 18

A. Solve:
2x + 6 = 14

A. Solve:
2x + 6 = 14
Ans. X=4

3 4 5 8
Q. What is the
mean?

3 4 5 8
Q. What is the
mean?
Ans. 5
(Total =20 then divide by the
number of values)

3 4 5 8
Q. What is the
median?

3 4 5 8
Q. What is the
median?
Ans. 4.5

Q. 42 x 40

Q. 42 x 40
Ans. 1680

Q. What is the area of:
13 cm
5 cm
12 cm

Q. What is the area of:
13 cm
5 cm
12 cm
Ans. 30 cm²

Q. What is the area of this circle:
r

Q. What is the area of this circle:
r
Ans. πr²

Q. a² x a³ = a ?

Q. a² x a³ = a ?
Ans. a 5

• The probability that it rains
on March 21 is 5
st 2.
What is the probability that it
doesn’t rain?
3
5

• The probability that it rains
on March 21 is 5
st 2.
What is the probability that it
doesn’t rain?
Ans. 3
5

A. Simplify:
3x+2x-x

A. Simplify:
3x+2x-x
Ans. 4x

Q. From this list of numbers:
6 9 10 17 30 35 60
Which one is a prime number?

Q. From this list of numbers:
6 9 10 17 30 35 60
Which one is a prime number?
Ans. 17

Q. From this list of numbers:
6 9 10 17 30 35 60
Which one is a square number?

Q. From this list of numbers:
6 9 10 17 30 35 60
Which one is a square number?
Ans. 9

Q. From this list of numbers:
6 9 10 17 30 35 60
Which one is a multiple of 20?

Q. From this list of numbers:
6 9 10 17 30 35 60
Which one is a multiple of 20?
Ans. 60

Q. From this list of numbers:
6 9 10 17 30 35 60
Which one is a factor of 20?

Q. From this list of numbers:
6 9 10 17 30 35 60
Which one is a factor of 20?
Ans. 10

As part of a project Sam counts the number of people in
each car arriving at school one morning.
The table shows his results.
Number of people in a car, Number of cars with that
x number of people, f
1 2
2 8
3 6
4 4
How many cars were in the survey?

As part of a project Sam counts the number of people in
each car arriving at school one morning.
The table shows his results.
Number of people in a car, Number of cars with that
x number of people, f
1 2
2 8
3 6
4 4
Total 20
How many cars were in the survey?
Ans. 20 cars

As part of a project Sam counts the number of people in
each car arriving at school one morning.
The table shows his results.
Number of people in a car, Number of cars with that
x number of people, f
1 2
2 8
3 6
4 4
Total 20
What is the total number of people in the cars?

As part of a project Sam counts the number of people in
each car arriving at school one morning.
The table shows his results.
Number of people in a car, Number of cars with that
fx
x number of people, f
1 2
2 8
3 6
4 4
Total 20
What is the total number of people in the cars?

As part of a project Sam counts the number of people in
each car arriving at school one morning.
The table shows his results.
Number of people in a car, Number of cars with that
fx
x number of people, f
1 2 2
2 8
3 6
4 4
Total 20
What is the total number of people in the cars?

As part of a project Sam counts the number of people in
each car arriving at school one morning.
The table shows his results.
Number of people in a car, Number of cars with that
fx
x number of people, f
1 2 2
2 8 16
3 6
4 4
Total 20
What is the total number of people in the cars?

As part of a project Sam counts the number of people in
each car arriving at school one morning.
The table shows his results.
Number of people in a car, Number of cars with that
fx
x number of people, f
1 2 2
2 8 16
3 6 18
4 4
Total 20
What is the total number of people in the cars?

As part of a project Sam counts the number of people in
each car arriving at school one morning.
The table shows his results.
Number of people in a car, Number of cars with that
fx
x number of people, f
1 2 2
2 8 16
3 6 18
4 4 16
Total 20
What is the total number of people in the cars?

As part of a project Sam counts the number of people in
each car arriving at school one morning.
The table shows his results.
Number of people in a car, Number of cars with that
fx
x number of people, f
1 2 2
2 8 16
3 6 18
4 4 16
Total 20 52
What is the total number of people in the cars?
Ans. 52 people

As part of a project Sam counts the number of people in
each car arriving at school one morning.
The table shows his results.
Number of people in a car, Number of cars with that
fx
x number of people, f
1 2 2
2 8 16
3 6 18
4 4 16
Total 20 52
What is the mean number of people in the cars?

As part of a project Sam counts the number of people in
each car arriving at school one morning.
The table shows his results.
Number of people in a car, Number of cars with that
fx
x number of people, f
1 2 2
2 8 16
3 6 18
4 4 16
Total 20 52
What is the mean number of people in the cars?
Ans. 2.6 people (52 ÷ 20)

Q. 15% of £62

Q. 15% of £62
Ans. £9.30

Q. Increase
330ml by 20%

Q. Increase
330ml by 20%
Ans. 396ml

Q. 5² + 2³

Q. 5² + 2³
Ans. 33
(25 + 8)

Q. 0.3 x 0.2

Q. 0.3 x 0.2
Ans. 0.06

Q. 3× 1
5 2

Q. 3× 1
5 2
Ans. 3
10

Q. Write 192000 in
standard form

Q. Write 192000 in
standard form
Ans. 1.92 x 105

Q. Write 5.03 x 10-3 as
an ordinary number

Q. Write 5.03 x 10-3 as
an ordinary number
Ans. 0.00503

Q. Simplify 2n x 3n²

Q. Simplify 2n x 3n²
Ans. 6n³