Keystones — Bedrock
Five GCSE retrieval questions · 25 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 61 + 26
Answer: 61 + 26 = 87 -
2. Algebra Substitution
If x = 2, find the value of 5x + 12
Answer: 22 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 10, 14, 19
Answer: 14.333333333333