Keystones — Bedrock
Five GCSE retrieval questions · 11 September 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 71 + 27
Answer: 71 + 27 = 98 -
2. Algebra Substitution
If x = 3, find the value of 5x + 5
Answer: 20 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 2, 2, 11, 15
Answer: 7.5