Keystones — Bedrock
Five GCSE retrieval questions · 4 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 56
Answer: 29 + 56 = 85 -
2. Algebra Substitution
If x = 7, find the value of 2x + 8
Answer: 22 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 3, 21, 14, 18
Answer: 14