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F F F F E E E E D D D D C C C C NUMBER ALGEBRA SHAPE SPACE & M HANDLING DATA F F F F E E E E SHAPE and SPACE HANDLING DATA D D D D SHAPE and SPACE HANDLING DATA C C C C

Calculate: (10 x 17) + (5 x 200) Back to board Answer

Calculate: (10 x 17) + (5 x 200) 170 1000 1170 Back to board

 Find the cost of 6 teddy bears and 12 clowns to the nearest pound. £28.56 £5.43  Back to board Answer

Find the cost of 6 teddy bears and 12 clowns to the nearest pound. £237 £28.56 £5.43  Back to board Explain?

Find the cost of 6 teddy bears and 12 clowns to the nearest pound. £237 £28.56 £5.43 6 x 28.56 + 12 x 5.43 = 236.52  Back to board

Here is an old recipe for savoury oat cakes for 4 people Here is an old recipe for savoury oat cakes for 4 people. How much margarine would be needed in a recipe for 10 people? 150 g oatmeal 80 g self raising flour 50 g grated cheese 30 g margarine 10 ml yeast extract 40 ml of boiling water Back to board Answer

Here is an old recipe for savoury oat cakes for 4 people Here is an old recipe for savoury oat cakes for 4 people. How much margarine would be needed in a recipe for 10 people? 150 g oatmeal 80 g self raising flour 50 g grated cheese 30 g margarine 10 ml yeast extract 40 ml of boiling water 75 g Back to board Explain?

Here is an old recipe for savoury oat cakes for 4 people Here is an old recipe for savoury oat cakes for 4 people. How much margarine would be needed in a recipe for 10 people? 150 g oatmeal 80 g self raising flour 50 g grated cheese 30 g margarine 10 ml yeast extract 40 ml of boiling water 10 = 2½ x 4 So 2½ x 30 = 75 75 g Back to board

Jenny’s salary increased from £28 500 per year to £29 640 per year Jenny’s salary increased from £28 500 per year to £29 640 per year. Find the percentage increase in her salary. Back to board Answer

Jenny’s salary increased from £28 500 per year to £29 640 per year Jenny’s salary increased from £28 500 per year to £29 640 per year. Find the percentage increase in her salary. 4% Back to board Explain?

Jenny’s salary increased from £28 500 per year to £29 640 per year Jenny’s salary increased from £28 500 per year to £29 640 per year. Find the percentage increase in her salary. Remember: percentage change = change original quantity x 100 percentage increase = 1140 28 500 x 100 = 4 4% Back to board

How are the numbers in red related to each other? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 How are the numbers in red related to each other? 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Back to board Answer

They are all multiples of 11. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 How are the numbers in red related to each other? 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 They are all multiples of 11. 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Back to board

? ? 3n + 2 2n - 1 Back to board Answer Simon and Jenny each have a bag containing different numbers of discs. In total they have 36 discs. (a) Write an equation for the total number of discs. (b) How many discs are in each bag? ? ? 3n + 2 2n - 1 Back to board Answer

? ? 23 13 3n + 2 2n - 1 5n + 1 = 36 Back to board Explain? Simon and Jenny each have a bag containing different numbers of discs. In total they have 36 discs. (a) Write an equation for the total number of discs. (b) How many discs are in each bag? 5n + 1 = 36 ? ? 23 13 3n + 2 2n - 1 Back to board Explain?

Simon and Jenny each have a bag containing different numbers of discs Simon and Jenny each have a bag containing different numbers of discs. In total they have 36 discs. (a) Write an equation for the total number of discs. (b) How many discs are in each bag? 5n + 1 = 36 2 x 7 - 1 ? ? 23 13 3 x 7 + 2 3n + 2 2n - 1 3n + 2 + 2n - 1 = 5n + 1 If 5n + 1 = 36 then n = 7 Back to board

The heights of the Russian dolls are measured in cm The heights of the Russian dolls are measured in cm. Find the difference in their heights. 5n + 2 2n - 3 Back to board Answer

The heights of the Russian dolls are measured in cm The heights of the Russian dolls are measured in cm. Find the difference in their heights. 3n + 5 5n + 2 2n - 3 Back to board Explain?

The heights of the Russian dolls are measured in cm The heights of the Russian dolls are measured in cm. Find the difference in their heights. 3n + 5 5n + 2 2n - 3 5n + 2 - (2n - 3) = 5n + 2 - 2n + 3 = 3n + 5 Back to board

Factorise: 9x - 12x2 Back to board Answer

Factorise: 9x - 12x2 3x(3 - 4x) Back to board Explain?

Factorise: 9x - 12x2 3x is the highest common factor of the expression. 3x(3 - 4x) Back to board

(a) mm (b) cm and mm (c) cm How far along the centimetre ruler is the arrow? Give your answer in: (a) mm (b) cm and mm (c) cm 1 2 3 4 5 6 cm Back to board Answer

(a) mm (b) cm and mm (c) cm How far along the centimetre ruler is the arrow? Give your answer in: (a) mm (b) cm and mm (c) cm 1 2 3 4 5 6 cm (a) 19 mm (b) 1 cm 9 mm (c) 1.9 cm Back to board

Find the perimeter of this shape. Back to board Answer

36 m Find the perimeter of this shape. Back to board Explain? 9m 5m 4m

36 m Find the perimeter of this shape. Back to board 9 m 6 m

A B C D Back to board Answer Which 2 triangles are enlargements of the yellow triangle? A B C D Back to board Answer

  A B C D Back to board Explain? Which 2 triangles are enlargements of the yellow triangle? A  B  C D Back to board Explain?

  A B x ½ x 2 C D Back to board Which 2 triangles are enlargements of the yellow triangle? A  B 2 2  x ½ 4 8 4 x 2 C 8 D Back to board

A coloured glass decorative window consists of square panes each with a side length of 1 m and a semi-circular top. Calculate the area of the window in m2. (answer to 1 dp) Back to board Answer

A coloured glass decorative window consists of square panes each with a side length of 1 m and a semi-circular top. Calculate the area of the window in m2. (answer to 1 dp) 12.5 m2 Back to board Explain?

Remember: A = r2 Back to board A coloured glass decorative window consists of square panes each with a side length of 1 m and a semi-circular top. Calculate the area of the window in m2. (answer to 1 dp) Area of each square pane = 1 m2 Total area of square panes = 9 m2 Area semi-circular top = ½ x  x 1.52 = 3.53 m2 Total area = 9 + 3.53 = 12.5 m2 (1 dp) 3 m 12.5 m2 Remember: A = r2 Back to board

The frequency diagram below shows the scores for some students in a maths test. How many students scored 19 marks or less? 25 Test Scores 20 Frequency 15 10 5 0-9 10-19 20-29 30-39 40-49 50-60 Marks Answer Back to board

The frequency diagram below shows the scores for some students in a maths test. How many students scored 19 marks or less? 25 Test Scores 20 Frequency 15 10 19 5 0-9 10-19 20-29 30-39 40-49 50-60 Marks Back to board Explain?

The frequency diagram below shows the scores for some students in a maths test. How many students scored 19 marks or less? 25 Test Scores 20 15 Frequency 15 10 19 4 5 0-9 10-19 20-29 30-39 40-49 50-60 Marks Back to board

The pie chart shows the result of a survey of 300 people questioned about their favourite sports. Calculate (without using a calculator) how many people played each sport. Favourite Sport Football Rugby Rugby 90o Squash 108o 36o Squash Ice Hockey 54o 72o Football Cricket Ice Hockey Cricket Back to board Answer

The pie chart shows the result of a survey of 300 people questioned about their favourite sports. Calculate (without using a calculator) how many people played each sport. Favourite Sport Football Rugby Rugby 75 90o Squash 30 108o 36o Squash Ice Hockey 60 54o 72o Football 90 Cricket Ice Hockey Cricket 45 Back to board Explain?

The pie chart shows the result of a survey of 300 people questioned about their favourite sports. Calculate (without using a calculator) how many people played each sport. ¼ played rugby Favourite Sport Football Rugby Rugby 75 90o Squash 30 108o 36o Squash Ice Hockey 60 54o 72o Football 90 Cricket Ice Hockey Cricket 45 1/10 played squash Back to board

Prof offered Beaky one of his chocolates from the box Prof offered Beaky one of his chocolates from the box. Beaky chose one at random. What is the probability that she did not choose a caramel flavoured chocolate? Strawberry Milk Chocolate Caramel Back to board Answer

Prof offered Beaky one of his chocolates from the box Prof offered Beaky one of his chocolates from the box. Beaky chose one at random. What is the probability that she did not choose a caramel flavoured chocolate? Strawberry Milk Chocolate Caramel 8/12 = 2/3 8 of the chocolates are not caramel flavoured out of a total of 12 chocolates. Back to board

A class of 30 students consisting of 16 boys and 14 girls sat a test A class of 30 students consisting of 16 boys and 14 girls sat a test. The mean score for the test was 7.5. If the mean score for the boys was 7.8 calculate the mean score for the girls.  7.8 ? Back to board Answer

A class of 30 students consisting of 16 boys and 14 girls sat a test A class of 30 students consisting of 16 boys and 14 girls sat a test. The mean score for the test was 7.5. If the mean score for the boys was 7.8 calculate the mean score for the girls.  7.8 ? 7.2 Back to board Explain?

Total marks scored on test = 30 x 7.5 = 225 A class of 30 students consisting of 16 boys and 14 girls sat a test. The mean score for the test was 7.5. If the mean score for the boys was 7.8 calculate the mean score for the girls. Total marks scored on test = 30 x 7.5 = 225 Marks for girls 225 - 16 x 7.8 = 100.2 Mean for girls 100.2/14 = 7.2 (1 dp)  7.8 ? 7.2 Back to board