Keystones — Bedrock
Five GCSE retrieval questions · 15 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 24
Answer: 38 + 24 = 62 -
2. Algebra Substitution
If x = 7, find the value of 8x + 11
Answer: 67 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 18, 5, 10, 15
Answer: 12