Keystones — Cornerstone
Five GCSE retrieval questions · 1 May 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 41 + 69
Answer: 41 + 69 = 110 -
2. Algebra
Expand: 3(6x + 7)
Answer: 18x + 21 -
3. Geometry
Calculate the hypotenuse when a = 9cm and b = 14cm
Answer: 16.64cm -
4. Ratio
Calculate 50% of 89
Answer: 44.5 -
5. Statistics
Find the range of: 50, 31, 26, 32, 20
Answer: 30