Keystones — Bedrock
Five GCSE retrieval questions · 2 June 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 17
Answer: 22 + 17 = 39 -
2. Algebra Substitution
If x = 6, find the value of 3x + 12
Answer: 30 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:15
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 7, 3, 6, 14
Answer: 7.5