Keystones — Bedrock
Five GCSE retrieval questions · 21 June 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 21
Answer: 44 + 21 = 65 -
2. Algebra Substitution
If x = 7, find the value of 8x + 7
Answer: 63 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:20
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 3, 2, 4, 10, 17
Answer: 7.2