Maths Sept 6th - June 0.0 / 5 ? MathematicsNumberStandard formGCSEAll boards Created by: taniaabegum13Created on: 27-09-16 15:42 Maths Flashcards (Sept 6th - June) Revise these well. These flashcards are about everything you have learn (all topics) from the beginning of September up until now. Good Luck. 1 of 22 Rounding numbers Rounding numbers: Rule 2 of 22 Round 0.214 to two decimal places 0 is not counted as a figure. E.g. A number with 1 sig.fig is 3000 because 3 is bigger and 0 isn't considered a figure. 3 of 22 Round 5.481 to two decimal places 5.48 4 of 22 Round 12.0782 to two decimal places 12.08 5 of 22 Round 0.5666 to two decimal places 0.60 6 of 22 Round 1.5236 to two decimal places 1.52 7 of 22 Round 2.1256 to two decimal places 2.13 8 of 22 Significant Figure These also should be really easy. These should be really easy. 1-4 round down. 5+ round up. 9 of 22 Round 6.45 to 1 s.f 6 10 of 22 Round 7.9 to 1 s.f 8 11 of 22 Round 5.6 to 1 s.f 6 12 of 22 Round 62.1 to 1 s.f 60 13 of 22 Round 0.00734 to two decimal places 0.007 14 of 22 Significant Figure: Rule When estimating a calculation, we always round the numbers to 1 s.f 15 of 22 Estimating the value: Exam Questions These should also be really easy. 16 of 22 Estimating the value of 5.1 x 98 5 x 100 = 500 17 of 22 Estimating the value of 68 x 401 / 198 = 70 x 400 / 200 = 280 / 2 = 140 18 of 22 Estimating the value of 5.89 x 1.86 6 x 2 = 12 19 of 22 Estimating the value of 19.25 / 3.8 20 / 4 = 5 20 of 22 Estimating the value of 36.87 x 22.87 40 x 20 = 800 21 of 22 Estimating the value of 9.7 / 3.5 10 / 4 = 2.5 22 of 22
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