Keystones — Bedrock
Five GCSE retrieval questions · 20 November 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 32
Answer: 40 + 32 = 72 -
2. Algebra Substitution
If x = 6, find the value of 8x + 10
Answer: 58 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 16, 8, 5, 6, 15
Answer: 10