Keystones — Bedrock
Five GCSE retrieval questions · 5 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 53
Answer: 68 + 53 = 121 -
2. Algebra Substitution
If x = 8, find the value of 4x + 7
Answer: 39 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 2, 4, 20, 10, 4
Answer: 8