Keystones — Bedrock
Five GCSE retrieval questions · 24 January 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 28
Answer: 88 + 28 = 116 -
2. Algebra Substitution
If x = 10, find the value of 4x + 5
Answer: 45 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:40
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 12, 11, 18, 7
Answer: 12