Keystones — Bedrock
Five GCSE retrieval questions · 11 August 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 67
Answer: 90 + 67 = 157 -
2. Algebra Substitution
If x = 9, find the value of 8x + 3
Answer: 75 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:6
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 8, 7, 16, 2, 4
Answer: 7.4