Keystones — Cornerstone
Five GCSE retrieval questions · 30 June 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 302 + 318
Answer: 302 + 318 = 620 -
2. Algebra
Solve: 9x = 81
Answer: x = 9 -
3. Geometry
Opposite = 20cm, adjacent = 19cm. Calculate the angle
Answer: 46.5° -
4. Ratio
Calculate 50% of 24
Answer: 12 -
5. Statistics
Find the mean of: 2, 6, 8, 4
Answer: 5