Keystones — Bedrock
Five GCSE retrieval questions · 15 April 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 86
Answer: 39 + 86 = 125 -
2. Algebra Substitution
If x = 3, find the value of 2x + 11
Answer: 17 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 8, 8, 10
Answer: 8.6666666666667