GCSE Maths - Number 0.0 / 5 ? MathematicsNumberGCSEAQA Created by: KimSeokjinCreated on: 15-01-17 21:37 Find the first 8 multiples of 13 13, 26, 39, 52, 65, 78, 91, 104 1 of 17 Find the LCM of 18 and 30 18 = 2 x 3 x 3, 30 = 2 x 3 x 5, 2 x 3 x 3 5 = 90 2 of 17 Find the HCF of 180 and 84 180 = 2 x 2 x 3 x 3 x 5, 84 = 2 x 2 x 3 x 7, 2 x 2 x 3 = 12 3 of 17 Simplify 18/24 3/4 4 of 17 Write 4 2/3 as an improper fraction 14/3 5 of 17 Find 8/15 x 5/12 2/9 6 of 17 Find 2 1/3 divide by 3 1/2 2/3 7 of 17 Put these fractions in ascending order of size: 8/3, 5/4, 12/5 5/4, 12/5, 8/3 8 of 17 What is 9/20 of £360? (360 divide by 20) x 9 = £162 9 of 17 Write 180 as a fraction of 80 180/ 80 = 9/4 10 of 17 Write 8/33 as a recurring decimal 8/ 33 (multiply by 3 for top and bottom) = 24/99 = 0.24 (recurring) 11 of 17 What is 7.458399232 to 2 decimal places? 7.46 12 of 17 Round 54.7651 to 3 significant figures 54.8 13 of 17 Estimate the value of √ 87 to 1 decimal place 87 is closest to 9² than 10², √ 87 ~= 9.3 14 of 17 Express 35 600 in standard form 3.56 x 10^4 15 of 17 Find (2 x 10^3) x (6.75 x 10^5) Without calculator, answer in standard form (2 x 6.75) x (10^3 x 10^5) = 13.5 x 10^8, 1.35 x 10 x 10^8 = 1.35 x 10^9 16 of 17 These questions and answers are not mine, credit to CGP AQA Maths High Level Revision Guide Swag, also listen to this kpop group called 'BTS' ... Bangtan Boys. Thanks. 17 of 17
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