Keystones — Cornerstone
Five GCSE retrieval questions · 22 August 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 33 + 66
Answer: 33 + 66 = 99 -
2. Algebra
Solve: 5x = 45
Answer: x = 9 -
3. Geometry
Opposite = 13cm, adjacent = 8cm. Calculate the angle
Answer: 58.4° -
4. Ratio
Calculate 50% of 148
Answer: 74 -
5. Statistics
Calculate the mean of: 41, 40, 36, 17, 16, 49, 49, 35
Answer: 35.4