Keystones — Bedrock
Five GCSE retrieval questions · 18 February 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 31
Answer: 50 + 31 = 81 -
2. Algebra Substitution
If x = 9, find the value of 4x + 9
Answer: 45 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 18, 17, 4
Answer: 13