Keystones — Cornerstone
Five GCSE retrieval questions · 21 October 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 42 + 98
Answer: 42 + 98 = 140 -
2. Algebra
Expand: 9(x + 2)
Answer: 9x + 18 -
3. Geometry
Opposite = 8cm, adjacent = 13cm. Calculate the angle
Answer: 31.6° -
4. Ratio
Simplify the ratio 4:14
Answer: 2:7 -
5. Statistics
Find the mean of: 10, 19, 3
Answer: 10.666666666667