Keystones — Bedrock
Five GCSE retrieval questions · 27 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 26
Answer: 89 + 26 = 115 -
2. Algebra Substitution
If x = 6, find the value of 5x + 12
Answer: 42 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 19, 4, 7
Answer: 10