Keystones — Bedrock
Five GCSE retrieval questions · 18 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 99
Answer: 69 + 99 = 168 -
2. Algebra Substitution
If x = 4, find the value of 4x + 4
Answer: 20 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 18, 15, 3, 12, 16
Answer: 12.8