GCSE Maths Revision
10% as decimal and fraction - ANS-0.1 and 1/10
\1000m in km - ANS-1km
\100cm in m - ANS-1m
\10mm in cm - ANS-1cm
\1st 7 square numbers - ANS-1, 4, 9, 16, 25, 36, 49
\25% as decimal and fraction - ANS-0.25 and 1/4
\50% as decimal and fraction - ANS-0.5 and 1/2
\Alternate angles (Z angles) - ANS-Are the same
\Angles in a quadrilateral - ANS-Add up to 360
\Angles in a triangle - ANS-Add up to 180
\Angles on a straight line - ANS-Add up to 180
\Angles round a point - ANS-Add up to 360
\Area of circle - ANS-π x r2
\Area of parallelogram - ANS-B x H
\Area of trapezium - ANS-1/2 x (total of parallel sides) x H
\Area of triangle - ANS-1/2 x B x H
\Circumference of circle - ANS-π x D
\Convert cm to inches - ANS-5cm = 2 inches
\Convert kg to pounds - ANS-1kg = 2.2lb
\Convert mile to km - ANS-5 miles = 8km
\Corresponding angles (F angles) - ANS-Are the same
\Define percentage - ANS-Fraction of 100
\Diameter - ANS-From side to side of a circle through the centre.
\Difference - ANS-Take away
\Distance - ANS-Speed x Time
\Estimate - ANS-Round number and give approximate answer
\Exterior angle - ANS-360 / number of sides
\Factor - ANS-Divides exactly into another number
\Highest common factor - ANS-Largest number that is a factor of both
\Interior angle - ANS-180 - Exterior angle
\Isosceles triangle - ANS-Two sides are the same. Two angles are the same.
\Least/lowest common multiple - ANS-Smallest number they both go into
\Mean - ANS-Add all and divide by number of values
\Median - ANS-Middle value
\Metric measures of capacity (liquids) - ANS-ml, l
\Metric measures of length - ANS-mm, cm, m, km
\Metric measures of weight - ANS-g, kg
\Mode - ANS-Most common/most popular
\Multiple - ANS-All the times tables of a number
\Negative correlation - ANS-Line of best fit goes down
10% as decimal and fraction - ANS-0.1 and 1/10
\1000m in km - ANS-1km
\100cm in m - ANS-1m
\10mm in cm - ANS-1cm
\1st 7 square numbers - ANS-1, 4, 9, 16, 25, 36, 49
\25% as decimal and fraction - ANS-0.25 and 1/4
\50% as decimal and fraction - ANS-0.5 and 1/2
\Alternate angles (Z angles) - ANS-Are the same
\Angles in a quadrilateral - ANS-Add up to 360
\Angles in a triangle - ANS-Add up to 180
\Angles on a straight line - ANS-Add up to 180
\Angles round a point - ANS-Add up to 360
\Area of circle - ANS-π x r2
\Area of parallelogram - ANS-B x H
\Area of trapezium - ANS-1/2 x (total of parallel sides) x H
\Area of triangle - ANS-1/2 x B x H
\Circumference of circle - ANS-π x D
\Convert cm to inches - ANS-5cm = 2 inches
\Convert kg to pounds - ANS-1kg = 2.2lb
\Convert mile to km - ANS-5 miles = 8km
\Corresponding angles (F angles) - ANS-Are the same
\Define percentage - ANS-Fraction of 100
\Diameter - ANS-From side to side of a circle through the centre.
\Difference - ANS-Take away
\Distance - ANS-Speed x Time
\Estimate - ANS-Round number and give approximate answer
\Exterior angle - ANS-360 / number of sides
\Factor - ANS-Divides exactly into another number
\Highest common factor - ANS-Largest number that is a factor of both
\Interior angle - ANS-180 - Exterior angle
\Isosceles triangle - ANS-Two sides are the same. Two angles are the same.
\Least/lowest common multiple - ANS-Smallest number they both go into
\Mean - ANS-Add all and divide by number of values
\Median - ANS-Middle value
\Metric measures of capacity (liquids) - ANS-ml, l
\Metric measures of length - ANS-mm, cm, m, km
\Metric measures of weight - ANS-g, kg
\Mode - ANS-Most common/most popular
\Multiple - ANS-All the times tables of a number
\Negative correlation - ANS-Line of best fit goes down
