Keystones — Bedrock
Five GCSE retrieval questions · 21 May 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 32
Answer: 50 + 32 = 82 -
2. Algebra Substitution
If x = 5, find the value of 8x + 6
Answer: 46 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 19, 15, 15, 10, 14
Answer: 14.6