Keystones — Bedrock
Five GCSE retrieval questions · 3 January 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 24
Answer: 31 + 24 = 55 -
2. Algebra Substitution
If x = 5, find the value of 2x + 4
Answer: 14 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 12, 1, 11
Answer: 8