Keystones — Bedrock
Five GCSE retrieval questions · 4 December 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 39
Answer: 19 + 39 = 58 -
2. Algebra Substitution
If x = 4, find the value of 2x + 6
Answer: 14 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 5, 12, 17, 19, 16
Answer: 13.8