Keystones — Bedrock
Five GCSE retrieval questions · 24 June 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 10
Answer: 15 + 10 = 25 -
2. Algebra Substitution
If x = 10, find the value of 8x + 9
Answer: 89 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 7, 3, 4, 14
Answer: 7