Keystones — Bedrock
Five GCSE retrieval questions · 29 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 34
Answer: 39 + 34 = 73 -
2. Algebra Substitution
If x = 9, find the value of 4x + 10
Answer: 46 -
3. Geometry Converting lengths
Convert 14cm to mm
Answer: 140mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 18, 8, 2, 11, 12
Answer: 10.2