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GCSE Mathematics Paper 2 The Final Step!!!
These are calculators!!!.
MULTIPLY Times Lots of Product DIVIDE Share Divisible by etc
Area & Perimeter Add up edges Answer in cm Area = Length x width Answer in cm 2
Area = HALF base x height ORBase x Height 2 AREA Answer in cm 2
Circle Circumference Area x d x r 2
Volume width height length Volume = length x width x height Units cm 3, m 3
DST D ST Distance Speed Time Be aware of units 2hrs 30 mins = 2.5 hours
Ratios total = ÷ 10 = 45 2 parts 2 x 45 = 90 etc Share £450 in ratio 2:3:5
Fraction of … ‘Divide by bottom and times by top’ 1 / 7 of … Divide amount by 7 3 / 7 of … Divide amount by 7 and times by 3
“Percent ” out of 100 Percent with a calculator % x amount 100 EG: 36% of £ x
Interest Simple Find % x number of years Compound Interest on interest
Angles 180º same size
Bearings Measured clockwise from north N Three figures e.g. 075º, 223º
Transformations Rotation Translation Use the tracing paper! Careful of points of movement
Probability Table of values Expected number of winners... Probability x number in Q
GROUPED FREQ Diagram ‘Bar graph’ Normal scale Bars as wide as the group
FREQUENCY POLYGON Plot at the MIDPOINT and FREQ Normal scale going up in 5, 10, 20 etc NOT groups
Mean Mean = sum of values total freq Grouped data sum of MIDPOINT x freq total freq
Scatter Graphs x x x x x x x x x Correlation Positive Negative
Graphs y = -x y = x y = x 2
Pythagoras Side lengths only Hypotenuse ‘longest side’ a b c c 2 = a 2 + b 2 Square it Add ‘em Square root it
Read every question carefully If you can do a question, Do it correctly! If struggling with a question, go onto the next and come back If time, check through each answer Good Luck
GCSE Mathematics Paper 1. Different Words ADD Plus Total More than Sum of SUBTRACT Take away Minus Difference Less than.
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