Keystones — Bedrock
Five GCSE retrieval questions · 2 February 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 71 + 39
Answer: 71 + 39 = 110 -
2. Algebra Substitution
If x = 5, find the value of 5x + 4
Answer: 29 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 2, 8, 16
Answer: 8.6666666666667