Keystones — Cornerstone
Five GCSE retrieval questions · 15 December 2023 · mathsvault.uk/keystones
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1. Number
Find the total of 219, 137, and 131
Answer: 487 -
2. Algebra
Solve: 7x - 7 = 3x + 33
Answer: x = 10 -
3. Geometry
Opposite = 9cm, adjacent = 17cm. Calculate the angle
Answer: 27.9° -
4. Ratio
Simplify the ratio 18:24
Answer: 3:4 -
5. Statistics
Find the mean of: 20, 10, 12, 16
Answer: 14.5