Keystones — Cornerstone
Five GCSE retrieval questions · 13 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 27 + 72
Answer: 27 + 72 = 99 -
2. Algebra
Solve: 5x = 75
Answer: x = 15 -
3. Geometry
Opposite = 10cm, adjacent = 14cm. Calculate the angle
Answer: 35.5° -
4. Ratio
Calculate 50% of 64
Answer: 32 -
5. Statistics
Find the mean of: 4, 15, 16, 4
Answer: 9.75