Keystones — Bedrock
Five GCSE retrieval questions · 20 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 48
Answer: 38 + 48 = 86 -
2. Algebra Substitution
If x = 10, find the value of 3x + 10
Answer: 40 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 4, 17, 18
Answer: 13