Keystones — Bedrock
Five GCSE retrieval questions · 16 October 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 14
Answer: 29 + 14 = 43 -
2. Algebra Substitution
If x = 8, find the value of 4x + 11
Answer: 43 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 20, 4, 19, 1
Answer: 11