Keystones — Bedrock
Five GCSE retrieval questions · 20 February 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 81 + 92
Answer: 81 + 92 = 173 -
2. Algebra Substitution
If x = 7, find the value of 5x + 10
Answer: 45 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 5, 3, 11, 12, 4
Answer: 7