Keystones — Bedrock
Five GCSE retrieval questions · 5 August 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 86 + 60
Answer: 86 + 60 = 146 -
2. Algebra Substitution
If x = 4, find the value of 3x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 12, 3, 12, 15, 14
Answer: 11.2