Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 33
Answer: 38 + 33 = 71 -
2. Algebra Substitution
If x = 9, find the value of 5x + 12
Answer: 57 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 4, 18, 16, 5, 5
Answer: 9.6