EVERYTHING YOU NEED TO KNOW TO GET A GRADE C NUMBER (FOUNDATION)
= = 50% No, Elena failed = = 75% Yes, Clyde passed 70% of 20 questions 10% means ÷10 10% = 2 questions 70% = x7 14 questions 14
% of £25 10% means ÷10 10% = £
Martha Cost = £400 Husband Cost = £400 Mary (Daughter) Cost = 75% of £400 ÷ x = £300 Total Cost = = £ % online discount= 10% of £ % means ÷10 = £110 Final Total Cost =1100 – 110 = £990
10% of 800 students 10% means ÷10 10% = 80 students 20% of 70 teachers 10% = 7 teachers 20% = x2 14 teachers Left-handed teacher and students =
10% means ÷10 10% = 33 40% = x % = ÷ % =
= 25 =
LEARN 12.5
U T ths 8 is in the tenths column ÷ x 27 x % means ÷10 10% = 27 30% = x
When adding or subtracting fractions you need to find a common denominator X 3 X = Denominator never changes =
Test 1 = Test 2 = Test 1
% means ‘out of 100’ 7 is in the tenths column = = 1st 2nd3rd
Weekly income = 12 x £4 = £48 Savings per week = ÷ x = £16 Weeks to save £80 = = 5 5
25
3 litres 2.5 litres 3000ml 2500ml Bottle A 55% of 3000ml 10% = 300ml 10% means ÷10 50% = x5 1500ml 5% = ÷2 150ml 55% = = 1650ml Bottle B ÷ x x 3 =1875ml Bottle B
Son ÷ x Daughter ÷ x x 2 = 880 Tom 2200 – –
5 x x 9 81 = 9 x x 3 = = 90
Square numbers 1, 4, 9, 16, 25, 36, 49, 64, 81 etc
11 x x means what multiplies by itself three times to make 125 5
When you multiply powers with the same base you can just add the powers 6 x 6 x 6 x 6 = 1 When you divide powers with the same base you can just subtract the powers
= 95.4 = = = 9216 There are no whole numbers between 95.4 and 95.9
= 5 = = 7
Square numbers 1, 4, 9, 16, 25, 36, 49, 64, 81 etc
Add parts = of £7200 = ÷ x £ of £7200 = ÷ x £ of£7200 = ÷ x £
30 pupils = £90 1 pupil = ÷30 £3 25 pupils = x25 £75 75
Standard Packet 12 biscuits = £ biscuits = £3.27 x3 Large Packet 36 biscuits = £3.17 Large is better
C : S 3 : 7 £3600 : x1200 £8400 Money invested =£ £
Five thousand one hundred and sixty seven
10 £4.99 x 2 x 10 = £9.98 x 10 = £99.80 Jill is incorrect
All the sides are equal in a square
In the 10 times table 70 Whole number that go into 35 exactly 5 5 x BODMAS 70 ÷ 35 x 75 2 x
In the 6 times table 6, 12 or 18 Whole numbers that go into 18 exactly 3, 6, 9 and 18 Square numbers 1, 4, 9, 16, 25, 36, 49, 64, 81 etc
In the 7 times table 28 Whole numbers that go into 24 exactly 6 and 8 1, 4, 9, 16, 25, 36, 49, 64, 81 etc 25 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 etc 11
In the 4 times tableIn the 5 times table In the 6 times table
Whole number that goes into 36 exactly Square numbers 1, 4, 9, 16, 25, 36, 49, 64, 81 etc Cube numbers 1, 8, 27, 64, 125 etc 18
1 million =
10 x x 5 – 3 x 2 35 – x 5 – 1 x 2 45 – 2 9 questions correct and 1 question incorrect
Adults = 2 x £5.25 = £10.50 Children = 4 x £3.40 = £ Adults = 4 x £5= £20 Cost of children = £44 - £20 = £ x x Saturday Thursday LEARN 22
÷ 10 = ÷ 4 = 3 3 x 7 = 21 £50 + £10 + £1 = £61 £ £ £1.18= £ Could have also done £20 + £20 + £20 + £1 and got £71.98
x 4 = x 100 = x
LEARN Any three numbers that sum to ninety