Keystones — Bedrock
Five GCSE retrieval questions · 16 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 76 + 67
Answer: 76 + 67 = 143 -
2. Algebra Substitution
If x = 8, find the value of 7x + 6
Answer: 62 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 6, 9, 11, 11
Answer: 9.25