Keystones — Bedrock
Five GCSE retrieval questions · 1 May 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 20
Answer: 15 + 20 = 35 -
2. Algebra Substitution
If x = 9, find the value of 6x + 6
Answer: 60 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 10, 16, 9
Answer: 11.666666666667