Keystones — Bedrock
Five GCSE retrieval questions · 4 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 82 + 76
Answer: 82 + 76 = 158 -
2. Algebra Substitution
If x = 3, find the value of 2x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 2, 17, 17, 3
Answer: 9.75