Keystones — Bedrock
Five GCSE retrieval questions · 28 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 89
Answer: 40 + 89 = 129 -
2. Algebra Substitution
If x = 2, find the value of 8x + 4
Answer: 20 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 2, 6, 7
Answer: 5