Keystones — Bedrock
Five GCSE retrieval questions · 8 April 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 43
Answer: 24 + 43 = 67 -
2. Algebra Substitution
If x = 3, find the value of 8x + 6
Answer: 30 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 4, 13, 20, 9, 5
Answer: 10.2