Keystones — Bedrock
Five GCSE retrieval questions · 28 March 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 86
Answer: 68 + 86 = 154 -
2. Algebra Substitution
If x = 10, find the value of 8x + 12
Answer: 92 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 7, 9, 13, 15, 6
Answer: 10