Keystones — Bedrock
Five GCSE retrieval questions · 18 June 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 95 + 66
Answer: 95 + 66 = 161 -
2. Algebra Substitution
If x = 8, find the value of 4x + 3
Answer: 35 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 8, 10, 8, 18
Answer: 11