Keystones — Bedrock
Five GCSE retrieval questions · 11 June 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 48
Answer: 17 + 48 = 65 -
2. Algebra Substitution
If x = 7, find the value of 7x + 7
Answer: 56 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 17, 17, 10
Answer: 14.666666666667