Keystones — Bedrock
Five GCSE retrieval questions · 31 December 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 78 + 66
Answer: 78 + 66 = 144 -
2. Algebra Substitution
If x = 7, find the value of 5x + 3
Answer: 38 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 15, 11, 19
Answer: 15