Keystones — Bedrock
Five GCSE retrieval questions · 18 June 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 68
Answer: 38 + 68 = 106 -
2. Algebra Substitution
If x = 10, find the value of 3x + 11
Answer: 41 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 10, 8, 11, 7, 9
Answer: 9