Keystones — Bedrock
Five GCSE retrieval questions · 15 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 92
Answer: 48 + 92 = 140 -
2. Algebra Substitution
If x = 6, find the value of 5x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 11, 6, 7, 20
Answer: 11