Keystones — Cornerstone
Five GCSE retrieval questions · 16 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 31 + 26
Answer: 31 + 26 = 57 -
2. Algebra
Collect like terms: 5x + 5y + 8x + 5y
Answer: 13x + 10y -
3. Geometry
Find the hypotenuse of a right triangle with sides 8cm and 15cm
Answer: 17cm -
4. Ratio
Find 26% of 147
Answer: 38.22 -
5. Statistics
Find the mean of: 8, 7, 4, 2, 10
Answer: 6.2