Keystones — Bedrock
Five GCSE retrieval questions · 22 December 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 62
Answer: 48 + 62 = 110 -
2. Algebra Substitution
If x = 10, find the value of 5x + 4
Answer: 54 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 20, 17, 6
Answer: 14.333333333333