Keystones — Bedrock
Five GCSE retrieval questions · 24 November 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 56
Answer: 87 + 56 = 143 -
2. Algebra Substitution
If x = 3, find the value of 4x + 6
Answer: 18 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 16, 8, 17, 19
Answer: 15