Keystones — Bedrock
Five GCSE retrieval questions · 15 August 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 16
Answer: 26 + 16 = 42 -
2. Algebra Substitution
If x = 6, find the value of 2x + 10
Answer: 22 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 6, 13, 3, 20, 7
Answer: 9.8