Keystones — Bedrock
Five GCSE retrieval questions · 18 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 83
Answer: 24 + 83 = 107 -
2. Algebra Substitution
If x = 10, find the value of 7x + 8
Answer: 78 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 5, 7, 14, 17, 16
Answer: 11.8