Keystones — Bedrock
Five GCSE retrieval questions · 7 June 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 89
Answer: 23 + 89 = 112 -
2. Algebra Substitution
If x = 3, find the value of 3x + 10
Answer: 19 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 4, 10, 3, 13, 15
Answer: 9