Keystones — Cornerstone
Five GCSE retrieval questions · 16 September 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 98 + 59
Answer: 98 + 59 = 157 -
2. Algebra
Solve: x + 11 = 20
Answer: x = 9 -
3. Geometry
Find the distance between (1, 2) and (6, 10)
Answer: 9.43 -
4. Ratio
Find 73% of 243
Answer: 177.39 -
5. Statistics
Calculate the mean of: 20, 5, 39, 23, 23, 18, 17
Answer: 20.7