Keystones — Bedrock
Five GCSE retrieval questions · 11 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 33
Answer: 48 + 33 = 81 -
2. Algebra Substitution
If x = 2, find the value of 6x + 10
Answer: 22 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 15, 14, 11, 19, 20
Answer: 15.8