Keystones — Cornerstone
Five GCSE retrieval questions · 5 January 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 553 + 583
Answer: 553 + 583 = 1136 -
2. Algebra
Expand: 4(2x + 4)
Answer: 8x + 16 -
3. Geometry
Opposite = 18cm, adjacent = 20cm. Calculate the angle
Answer: 42° -
4. Ratio
Simplify the ratio 24:28
Answer: 6:7 -
5. Statistics
Find the mean of: 16, 4, 14, 2, 6
Answer: 8.4