Keystones — Bedrock
Five GCSE retrieval questions · 12 June 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 81
Answer: 55 + 81 = 136 -
2. Algebra Substitution
If x = 4, find the value of 2x + 3
Answer: 11 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 9, 3, 11, 10, 15
Answer: 9.6