Ks3 Mathematics Level 4 Answers - Mental Arithmetic Questions Page 8
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20Write a number
Spinners
On each spinner write five numbers to make the statements correct.
(a)
Write a number that is both
It is certain that you will get a number less than 6
This is one
greater than 10
a multiple of 4
and
2
example. Put
any numbers in
12 or 16 or 20 or …
1
3
each triangle,
...............................
but the
1 mark
numbers must
5
(b)
Now write a number that is both
4
be less than 6.
greater than 10
a square number
and
1 mark
A square number is a number multiplied
16, 25, 36, 49, …
It is more likely that you will get an even number than an odd number.
2
by itself. 3 squared (3
) is 3 X 3 = 9.
...............................
1 mark
Shampoo
You must
The diagram shows what Molly buys.
have at
least 3 even
numbers
1 mark
It is impossible that you will get a multiple of 3
Put any numbers, but do
not use multiples of 3
(i.e. 3, 6, 9, 12, 15, …)
She pays with a £5 note and gets 66p change.
How much did Molly pay for the shampoo?
£5 – 66p gives £4.34.
£ 1.56
The hand cream and soap give £1.99 + 79p = £2.78
1 mark
2 marks
£4.34 - £2.78 gives £1.56
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