Keystones — Cornerstone
Five GCSE retrieval questions · 28 May 2021 · mathsvault.uk/keystones
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1. Number
What is the missing number: 47 + ? = 116
Answer: 69 -
2. Algebra
For y = x³, find y when x = 2
Answer: y = 8 -
3. Geometry
Opposite = 19cm, adjacent = 17cm. Calculate the angle
Answer: 48.2° -
4. Ratio
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics
Find the range of: 35, 20, 30, 18, 18
Answer: 17