Keystones — Cornerstone
Five GCSE retrieval questions · 23 March 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 41 + 93
Answer: 41 + 93 = 134 -
2. Algebra
Simplify: 2x + 7x
Answer: 9x -
3. Geometry
Opposite = 9cm, adjacent = 20cm. Calculate the angle
Answer: 24.2° -
4. Ratio
Simplify: 9:18:9
Answer: 1:2:1 -
5. Statistics
Calculate the mean of: 42, 38, 29, 43, 22, 17, 25, 22
Answer: 29.8