Keystones — Cornerstone
Five GCSE retrieval questions · 4 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 408 + 182
Answer: 408 + 182 = 590 -
2. Algebra
Collect like terms: 2x + 5y + 6x + 8y
Answer: 8x + 13y -
3. Geometry
Calculate the hypotenuse when a = 11cm and b = 8cm
Answer: 13.6cm -
4. Ratio
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics
Find the range of: 6, 13, 17, 18, 18
Answer: 12