Keystones — Cornerstone
Five GCSE retrieval questions · 20 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 858 + 202
Answer: 858 + 202 = 1060 -
2. Algebra
Solve: 8x = 120
Answer: x = 15 -
3. Geometry
Opposite = 12cm, adjacent = 14cm. Calculate the angle
Answer: 40.6° -
4. Ratio
Calculate 10% of 192
Answer: 19.2 -
5. Statistics
Calculate the range of: 62, 97, 96, 50, 87, 64
Answer: 47