Keystones — Bedrock
Five GCSE retrieval questions · 11 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 81 + 54
Answer: 81 + 54 = 135 -
2. Algebra Substitution
If x = 9, find the value of 3x + 11
Answer: 38 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 14, 19, 9, 7, 5
Answer: 10.8