Keystones — Bedrock
Five GCSE retrieval questions · 8 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 25
Answer: 23 + 25 = 48 -
2. Algebra Substitution
If x = 3, find the value of 3x + 12
Answer: 21 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:4
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 13, 15, 3
Answer: 10.333333333333