Keystones — Bedrock
Five GCSE retrieval questions · 6 February 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 25
Answer: 26 + 25 = 51 -
2. Algebra Substitution
If x = 7, find the value of 4x + 3
Answer: 31 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 15, 5, 2
Answer: 7.3333333333333