The cards Question Metric units are based around which three standard units? Tap to flip Answer The metre, the gram and the litre. Question What does the prefix centi- mean before a unit? Tap to flip Answer 1/100 Question What does the prefix milli- mean before a unit? Tap to flip Answer 1/1000 Question What does the prefix kilo- mean before a unit? Tap to flip Answer 1000 times. Question When was the imperial system of units created? Tap to flip Answer In the early 1800s, during the British Empire. Question Roughly how many kilometres are 5 miles? Tap to flip Answer About 8 kilometres. Question In which two forms is a ratio for converting between metric and imperial measures given? Tap to flip Answer Either in its simplest form or in unitary form. Question Which is the greater distance: 800 cm or 80 m? Tap to flip Answer 80 m, because 800 cm = 8 m. Question On a scale, what is an interval? Tap to flip Answer The space between two values or points, shown by small marks or lines. Question Does every scale go up by 1 each time or have 10 increments? Tap to flip Answer No. Count the gaps along the scale and calculate the size of each increment. Question What is perimeter? Tap to flip Answer The distance around a 2D shape. Question What is a polygon? Tap to flip Answer A flat (2D), closed figure made up of straight line segments. Question What is the perimeter of a polygon? Tap to flip Answer The sum of the lengths of all its sides, including any not written on the diagram. Question What is a compound shape? Tap to flip Answer A shape created from two or more basic shapes. Question What is another name for a compound shape? Tap to flip Answer A composite shape. Question To find the perimeter of a compound shape, must you know every side length? Tap to flip Answer No. Sometimes you can deduce the sum of a subset of the side lengths. Question What is area? Tap to flip Answer The size of a surface: the number of unit squares needed to cover it completely. Question What is a trapezium? Tap to flip Answer A quadrilateral with exactly one pair of parallel opposite sides. Question What is the plural of trapezium? Tap to flip Answer Trapezia or trapeziums. Question What is the formula for the area of a parallelogram? Tap to flip Answer bh Question What is the formula for the area of a triangle? Tap to flip Answer bh ÷ 2 Question What is the formula for the area of a trapezium? Tap to flip Answer ((a + b)h) ÷ 2 Question To find the area of a parallelogram or triangle, the two lengths you multiply must be how? Tap to flip Answer Perpendicular to each other (not necessarily horizontal and vertical). Question Give one method for finding the area of a compound shape. Tap to flip Answer E.g. break it into shapes whose areas you can find, complete the shape, or rearrange the shape. Question In the area of a trapezium, what single length is used for the parallel sides? Tap to flip Answer The mean length of the two parallel sides. Question If a space is to be covered, which is most likely relevant: perimeter or area? Tap to flip Answer Area. Question What is a chord? Tap to flip Answer Any line segment joining two points on the circumference of a circle. Question When a chord splits a circle, what are the smaller and larger pieces called? Tap to flip Answer The minor segment (smaller) and the major segment (larger). Question What is a sector? Tap to flip Answer The region formed between two radii and their connecting arc. Question What is an arc of a circle? Tap to flip Answer Part of the circle's circumference. Question What are the two formulas for the circumference of a circle? Tap to flip Answer C = πd or C = 2πr Question What is the formula for the area of a circle? Tap to flip Answer A = πr² Question Where must the two endpoints of a radius be? Tap to flip Answer One at the centre of the circle and the other on its circumference. Question What is the circumference of a circle? Tap to flip Answer The perimeter of the circle. Question How is the arc length of a sector found? Tap to flip Answer As a fraction of the circumference. Question How do you get a sector's perimeter from its arc length? Tap to flip Answer Add the radius twice. Question How may an exact answer for an arc length be given? Tap to flip Answer In terms of π. Question If the radius of a sector is doubled, does its area double? Tap to flip Answer No. Radius and area do not have a linear relationship. Question Which has a linear relationship with a sector's area: its radius or its angle? Tap to flip Answer Its angle (as long as the angle is no more than 360°). Question Is the perimeter of a rectilinear compound shape the sum of its rectangles' perimeters? Tap to flip Answer No. Part of each rectangle's perimeter lies inside the compound shape. Where this deck sits in the curriculum Curriculum National Curriculum for England Stage GCSE (Years 10–11) Course GCSE Maths Unit 2D and 3D shape: compound shapes Tiers foundation and higher England's National Curriculum sets what is taught; the units and their order are Oak National Academy's. Flash Feed is not affiliated with Oak or any exam board.
How this deck was checked On 2026-11-02, every card was compared with its source: the lessons of Oak National Academy, a public body funded by England's Department for Education that publishes lessons for the national curriculum. Because the cards come from those lessons, no second source was sought. The comparison was done automatically, not by a teacher, so a card can still be wrong. Flash Feed is not affiliated with any source named here.
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A Maths lesson by Oak National Academy licensed under Open Government Licence (OGL)
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