Keystones — Bedrock
Five GCSE retrieval questions · 16 May 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 86
Answer: 48 + 86 = 134 -
2. Algebra Substitution
If x = 4, find the value of 3x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:15
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 2, 14, 13, 11, 9
Answer: 9.8