Keystones — Bedrock
Five GCSE retrieval questions · 4 June 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 16
Answer: 13 + 16 = 29 -
2. Algebra Substitution
If x = 9, find the value of 4x + 4
Answer: 40 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:40
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 3, 23, 13
Answer: 13