Keystones — Bedrock
Five GCSE retrieval questions · 31 January 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 18
Answer: 39 + 18 = 57 -
2. Algebra Substitution
If x = 4, find the value of 2x + 11
Answer: 19 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:6
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 2, 8, 6, 8, 8
Answer: 6.4