Keystones — Bedrock
Five GCSE retrieval questions · 16 December 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 30
Answer: 48 + 30 = 78 -
2. Algebra Substitution
If x = 4, find the value of 7x + 8
Answer: 36 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:14
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 6, 9, 6, 8
Answer: 7.25