Keystones — Bedrock
Five GCSE retrieval questions · 12 May 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 18
Answer: 40 + 18 = 58 -
2. Algebra Substitution
If x = 9, find the value of 6x + 11
Answer: 65 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 16, 12, 9
Answer: 12.333333333333