Keystones — Bedrock
Five GCSE retrieval questions · 5 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 18
Answer: 26 + 18 = 44 -
2. Algebra Substitution
If x = 7, find the value of 5x + 12
Answer: 47 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 18, 3, 20
Answer: 13.666666666667