Keystones — Bedrock
Five GCSE retrieval questions · 29 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 41
Answer: 25 + 41 = 66 -
2. Algebra Substitution
If x = 8, find the value of 5x + 5
Answer: 45 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:20
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 12, 8, 10
Answer: 10