Keystones — Bedrock
Five GCSE retrieval questions · 22 June 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 40
Answer: 47 + 40 = 87 -
2. Algebra Substitution
If x = 8, find the value of 5x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 14, 20, 5
Answer: 13