Keystones — Bedrock
Five GCSE retrieval questions · 15 April 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 18
Answer: 11 + 18 = 29 -
2. Algebra Substitution
If x = 4, find the value of 5x + 12
Answer: 32 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 12, 19, 9, 7
Answer: 11.75