Keystones — Bedrock
Five GCSE retrieval questions · 12 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 21
Answer: 48 + 21 = 69 -
2. Algebra Substitution
If x = 2, find the value of 3x + 6
Answer: 12 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 17, 2, 13, 11, 19
Answer: 12.4