Keystones — Bedrock
Five GCSE retrieval questions · 23 June 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 80 + 83
Answer: 80 + 83 = 163 -
2. Algebra Substitution
If x = 6, find the value of 7x + 12
Answer: 54 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:40
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 19, 11, 16
Answer: 15.333333333333