Keystones — Bedrock
Five GCSE retrieval questions · 30 January 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 17
Answer: 42 + 17 = 59 -
2. Algebra Substitution
If x = 4, find the value of 6x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 6, 4, 15
Answer: 8.3333333333333