Keystones — Bedrock
Five GCSE retrieval questions · 7 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 47
Answer: 69 + 47 = 116 -
2. Algebra Substitution
If x = 6, find the value of 2x + 7
Answer: 19 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:18
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 19, 5, 18
Answer: 14