Keystones — Cornerstone
Five GCSE retrieval questions · 13 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 46 + 97
Answer: 46 + 97 = 143 -
2. Algebra
Simplify: 8x + 5x
Answer: 13x -
3. Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 12:28
Answer: 3:7 -
5. Statistics
Find the mean of: 11, 20, 6, 10
Answer: 11.75