Keystones — Bedrock
Five GCSE retrieval questions · 16 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 19
Answer: 29 + 19 = 48 -
2. Algebra Substitution
If x = 5, find the value of 8x + 5
Answer: 45 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 14, 15, 12, 11
Answer: 13