Keystones — Bedrock
Five GCSE retrieval questions · 26 June 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 20
Answer: 25 + 20 = 45 -
2. Algebra Substitution
If x = 7, find the value of 4x + 11
Answer: 39 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 12, 14, 15
Answer: 13.666666666667