EVERYTHING YOU NEED TO KNOW TO GET A GRADE C NUMBER (FOUNDATION) AUTHOR

14 50% No, Elena failed 75% Yes, Clyde passed 10% means ÷10 = = = = 70% of 20 questions 10% = 2 questions x7 x7 70% = 14 questions 14     = = 50% No, Elena failed     75% = = Yes, Clyde passed

10% means ÷10 4 1 6 . 5 0 10% of £25 2 5 . 0 0 1 + 8 . 5 0 - 2 . 5 0 1 1 10% = £2.50 2 5 . 2 2 . 5 22.50

£990 10% means ÷10 Martha Cost = £400 Husband Cost = £400 x   Martha Cost = £400 Husband Cost = £400 x   Mary (Daughter) Cost = 75% of £400 = £300 ÷ Total Cost = 400 + 400 + 300 = £1100 10% means ÷10 10% online discount= 10% of £1100 = £110 £990 Final Total Cost = 1100 – 110 =

94 10% means ÷10 10% of 800 students 20% of 70 teachers x2 x2 20% = 14 teachers Left-handed teacher and students = 80 + 14 94

10% means ÷10 10% = 33 ÷2 x4 ÷2 x4 40% = 132 5% = 16.5 45% = 132 + 16.5 148.5

LEARN       12.5

U T ths 8 is in the tenths column       x ÷ 27 x 3 81 10% means ÷10 10% = 27 2 7 0 6 1 x3 1 1 x3 30% = 81 8 1 1 8 9 189

Denominator never changes When adding or subtracting fractions you need to find a common denominator 1 4 + 2 3 X 3 X 4 X 3 X 4 12 + 3 8 = Denominator never changes 11 12 =  

      Test 1 =   Test 2 = Test 1

7 is in the tenths column % means ‘out of 100’ 2nd     3rd     1st   = =  

5 Weekly income = 12 x £4 = £48 = £16 Savings per week =   = £16 Savings per week = ÷   Weeks to save £80 = = 5 5

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10% means ÷10 Bottle B 3 litres 2.5 litres 3000ml 2500ml Bottle A x 55% of 3000ml   10% = 300ml ÷2 x5 ÷2 x5 ÷ 50% = 1500ml 6 2 5 5% = 150ml 2 5 0 0 4 2 1 2 55% = 1500 + 150 = 1650ml 625 x 3 = 1875ml Bottle B

770 Son Daughter Tom x x 2200 – 880 - 550 2200 – 1430 ÷ ÷ 5 5 4 4   2200 – 880 - 550   2200 – 1430 ÷ ÷ 5 5 4 4 2 2 0 0 5 2 2 0 0 4 2 2 2 2 440 x 2 = 880 770

5 x 4 20 9 x 9 81   = 9 x 9 + 3 x 3 = 81 + 9 = 90

Square numbers 1 , 4, 9, 16, 25, 36, 49, 64, 81 etc 64 - 36 28

means what multiplies by itself three times to make 125 11 x 11 121     12 x 12 144   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 When you divide powers with the same base you can just subtract the powers = 1    

There are no whole numbers between 95.4 and 95.9     = 95.4 = 95.9 952= 9025 962 = 9216 There are no whole numbers between 95.4 and 95.9

      = 4 + 3 = 5 = 7