A little bit of Maths EVERY DAY …
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Friday
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1
MAY 2016
2
Share £320 in the ratio
5 :3
3
Evaluate 2
0
4
Expand
2
2xy ( x + 3y )
1
£200 : £120
5
6
7
£1 = 8.70 kroner
In Norway a purse costs 450
kroner. £51.72
A similar hat in Britain costs
£50. Where is the cheapest?
Work out
12.34 x 9
without a calculator
111.06
2x3y + 6xy2
Work out
17.5% of £180
without a calculator
£31.50
3
6
11
Britain
9
10
Write 501 in standard form What are the 3rd and 5th terms
In a sale, normal prices are
reduced by 20%. The normal
price of a coat is reduced by
£15. Work out the normal price
of the coat. £75
of the sequence:
10 - n2
5.01 x 102
10 – 32 = 10 – 9 = 1
10 – 52 = 10 – 25 = -15
16
A square has an area of 4m2.
What is the area in cm2?
40,000cm2
17
𝟏𝟎𝟑
n=
is not a whole number
𝟑
so 108 is not in the sequence
24
p5 q2 – 2p5q
m
10
=m
30
Factorise
3
2
3xy - 9x
3x (y3 – 3x)
25
Work out
(a) 0.3 x 0.2 0.06
(b) 0.4 x 0.3 0.12
without a calculator
Expand
3
2
2
p q(p q - 2p )
Simplify
m7 ÷ m-3
18
The nth term of a sequence is
3n + 5 = 108
3n = 103
Is 108 a term of this sequence?
Work out
22.5% of £420
without a calculator
£94.50
23
7- - 3
11
12
13
m2 = m-1
m3
19
Write 504 as a product of
powers of its prime
factors.
3
2 x 32 x 7
Put brackets in this
calculation to make it
correct.
(5 – 3) × (12 ÷ 4)
=6
10
15
20
Expand (2x + 2)( x + 3)
2x2 + 6x + 2x + 6
2x2 + 8x + 6
21
27
22
6760 There are 6760 people are at a rugby match. 2881
-3879
- 1241
3879 of the people are men.
2881
1640
𝟒
1241 of the people are women.
¼ of 1640
One quarter of the children are girls. = 410
Work out how many boys are at the rugby match.
of 1640 = 1230
Work out an estimate for Calculate x
𝒙
√(4.97 × 2.2 × 9.95 )
tan 35 =
𝟒
√5 x 2 x 10
x = 4 x tan 45
√100
=4
=10
28
29
x
0
A
31
What is the below fraction
as a decimal?
0.6
NOT 0.6!!
18
Alfie, Ben and Chris play football.
17
• Alfie has scored 8 more goals than Chris.25
• Ben has scored 5 more goals than Alfie.. 30
• Altogether they have scored 72 goals.
How many goals did they each score?
𝟑
26
5
14
Solve.
5x + 1 > x + 11
4x > 10
x > 2.5
Simplify
8
Complete the two way table
REMEMBER: The best way to revise maths is to "do Maths"!