maths revision 0.0 / 5 ? MathematicseverythingGCSENone Created by: chels_xocCreated on: 10-06-17 16:39 what are the first 12 prime numbers? primes:2,3,5,7,11,13,17,19,23,29,31,37. 1 of 15 find 2/5 of £35 =£14 how?find 1/5. 5x7 =35 so 7x2=14 2 of 15 how do you order decimals? number before the deciamal point then number after. eg. 0.06,0.4,0.406,0.467,1,1.1 3 of 15 round 7694 to the nearest 10,100 and 1000 10=7690 100=7700 1000=8000 4 of 15 square numbers 1 4 9 16 25 36 eg.2x2=4 3x3=9 5 of 15 simplify surds 12 12 = 4 x 3 = 2 3 6 of 15 two step equations 2x+1=10 first - 1 = 2x=9 second divide 2 so x = 45 7 of 15 sequences 1,6,11,16,21 rule:+5 next number=26 8 of 15 nth term 2,4,6...? nth term=2n 10th term=20 9 of 15 divide 30 into ratio 2:3 2+3=5 5x 6 =30 2:3x6 answer =12;18 10 of 15 tan oppposite divided by the adjacent 11 of 15 mean add up all numbers and divide by how many numbers there are 12 of 15 mode most common 13 of 15 median middle vaule when in order 14 of 15 range difference between smallest and largest 15 of 15
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