Keystones — Bedrock
Five GCSE retrieval questions · 2 October 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 36
Answer: 35 + 36 = 71 -
2. Algebra Substitution
If x = 6, find the value of 8x + 4
Answer: 52 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 4, 18, 17, 17
Answer: 14