Keystones — Cornerstone
Five GCSE retrieval questions · 20 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 44 + 49
Answer: 44 + 49 = 93 -
2. Algebra
Collect like terms: 6x + 4y + 8x + 4y
Answer: 14x + 8y -
3. Geometry
Calculate the area of a circle with diameter 19cm
Answer: 283.53cm² -
4. Ratio
Calculate 50% of 46
Answer: 23 -
5. Statistics
Calculate the mean of: 20, 46, 9, 29, 9, 9, 42, 26
Answer: 23.8