Keystones — Bedrock
Five GCSE retrieval questions · 8 June 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 90
Answer: 43 + 90 = 133 -
2. Algebra Substitution
If x = 5, find the value of 6x + 12
Answer: 42 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 14, 11, 20, 10, 18
Answer: 14.6