Keystones — Bedrock
Five GCSE retrieval questions · 22 November 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 48
Answer: 63 + 48 = 111 -
2. Algebra Substitution
If x = 7, find the value of 2x + 11
Answer: 25 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 17, 14, 20, 3, 8
Answer: 12.4