GCSE Maths: Algebra & Number Quiz

Question 1

Question

$x$ - 2 =

$x$ + 16

Answer

Question 2

Question

125 =

$a$ +

$b$ .

$a$ and

$b$ are square numbers. Find two possible pairs of values for

$a$ and

$b$ .

Answer

$a$ = 10, $b$ = 125 and $a$ = 20, $b$ = 150
$a$ = 4, $b$ = 121 and $a$ = 25, $b$ = 100
$a$ = 1, $b$ = 101 and $a$ = 5, $b$ = 50

Question 3

Question

Multiply out and simplify 10(2

$x$ – 1) – 20

$x$

Answer

20 $x$
-10 $x$ - 10
-10

Question 4

Question

A company receives 1250 orders in December. It has a January sale. It receives 1430 orders in January. Work out the percentage increase in orders.

Answer

14.4%
1.44%
12.58%

Question 5

Question

Use approximations to estimate the value of

$\frac{402.5}{2.19 x 38.7}$

Answer

Question 6

Question

Expand

$w$ (

$w$ + 6)

Answer

$w^2$ + 6 $w$
6 $w^2$ + $w$
$w$ = 6

Question 7

Question

Factorise fully 8

$y$ + 20

Answer

$y$ (8 + 20)
$y$ = 2.5
4(2 $y$ + 5)

Question 8

Question

Post and packing on a parcel is £8.00 for delivery in the UK. This increases by 40% if the parcel is sent to the USA. Work out the cost to send the parcel to the USA.

Answer

£3.20
£11.20
£4.80

Question 9

Question

Write 126 as a product of prime factors.

Answer

3 x 2 x 2 x 5
1 x 126
2 x 3 x 3 x 7

Question 10

Question

Alice has £4. Billie has twice as much as Alice. Billie has two-thirds of the amount Chris has. The amount Chris has is four-fifths of his age in years. How old is Chris?

Answer

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GCSE Maths: Algebra & Number Quiz

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Resource summary

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

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	Created by Andrea Leyden almost 10 years ago