Keystones — Bedrock
Five GCSE retrieval questions · 21 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 28
Answer: 15 + 28 = 43 -
2. Algebra Substitution
If x = 5, find the value of 8x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 18, 20, 12
Answer: 16.666666666667