Name: ……………………………………………… 7C Revision Sheets Write all answers in the space provided. Show all working out. Please read the questions carefully and double check your answers 1) Calculate: a) 6.57 + 7.45 Answer ……………………… b) 12.45 – 7.59 Answer……………………….. c) 17.31 x 8.23 Answer………………………… d) 102.7 ÷ 7.9 Answer………………………….. 2) Calculate a) 3 /5 – 1/3 Answer ………………………. b) 5 /8 + 4/7 Answer………………………… c) 2 2/7 + 8 3/5 Answer…………………………… d) 5 /9 x 3/10 Answer ………………………… e) 2 /9 ÷ 6/15 Answer………………………….. 2) Contd. f) 4 4/5 x 7 1/4 Answer ……………………….. g) 7 3/5 ÷ 3 ¼ Answer…………………………..(2) 3) Solve a) 14 = 5 + n Answer…………………………..(2) b) 2a = 15 5 Answer…………………………..(2) c) 5(x + 7) = 10 Answer…………………………..(2) 3) Contd. d) 2(2x + 3) = 18 Answer…………………………..(2) e) 1 /3(9n + 12) = 19 Answer…………………………..(2) 4) a(4 - 3) = 3(6 – 2) Answer…………………………..(2) 5) Calculate the areas of the following shapes: All lengths are in cm. a) 7 5 3 11 Answer……………………cm2.(2) 5) Contd b) 14 10 8 9 5 12 i. Answer……………………cm2.(2) 6) Work out: a) 20% of £300 Answer ………………… (2 marks) b) 55% of £400 Answer ………………… (2 marks) c) 7.5% of 200 metres Answer ………………… (2 marks) d) 27% of £35.04 to the nearest penny Answer ………………… (2 marks) 7) Give the following percentages as fractions in their lowest terms: a) 25% Answer ………………… (1 mark) b) 72% Answer ………………… (1 mark) 8) Convert the following decimals into fractions: a) 0.20 Answer ………………… (1 mark) b) 0.50 Answer ………………… (1 mark) c) 3.6666 Answer ………………… (1 mark) d) 12.125 Answer ………………… (1 mark) 9) Form an equation to find x 2X + 10 X - 16 Answer ………………… (3 marks) 10) Calculate the value of the angles marked x and y: a) 470 y Answer ………………… (2 marks) b) y x 380 Answers: x =…………… (2 marks) y=….………… (2 marks) c) 750 47o x y 95o i. Answer x =…………… (2 marks) ii. Answer y =…………… (2 marks)