Keystones — Bedrock
Five GCSE retrieval questions · 8 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 33
Answer: 12 + 33 = 45 -
2. Algebra Substitution
If x = 4, find the value of 4x + 6
Answer: 22 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 15, 20, 18
Answer: 17.666666666667