Keystones — Bedrock
Five GCSE retrieval questions · 31 January 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 46
Answer: 18 + 46 = 64 -
2. Algebra Substitution
If x = 7, find the value of 3x + 11
Answer: 32 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 10, 19, 12
Answer: 13.666666666667