Keystones — Bedrock
Five GCSE retrieval questions · 9 November 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 47
Answer: 39 + 47 = 86 -
2. Algebra Substitution
If x = 4, find the value of 8x + 6
Answer: 38 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 16, 18, 14, 18
Answer: 16.5