Keystones — Bedrock
Five GCSE retrieval questions · 4 June 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 50
Answer: 47 + 50 = 97 -
2. Algebra Substitution
If x = 4, find the value of 6x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 16, 17, 19
Answer: 17.333333333333