Keystones — Bedrock
Five GCSE retrieval questions · 7 January 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 64
Answer: 63 + 64 = 127 -
2. Algebra Substitution
If x = 9, find the value of 6x + 8
Answer: 62 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:25
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 4, 19, 19, 10, 3
Answer: 11