Keystones — Bedrock
Five GCSE retrieval questions · 9 March 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 32
Answer: 47 + 32 = 79 -
2. Algebra Substitution
If x = 8, find the value of 4x + 12
Answer: 44 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:20
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 6, 2, 19, 16, 12
Answer: 11