Keystones — Bedrock
Five GCSE retrieval questions · 14 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 68
Answer: 73 + 68 = 141 -
2. Algebra Substitution
If x = 3, find the value of 8x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 9, 13, 18, 6, 14
Answer: 12