Keystones — Bedrock
Five GCSE retrieval questions · 11 April 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 35
Answer: 10 + 35 = 45 -
2. Algebra Substitution
If x = 9, find the value of 5x + 5
Answer: 50 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 10, 11, 8, 11
Answer: 10