Keystones — Bedrock
Five GCSE retrieval questions · 15 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 18
Answer: 29 + 18 = 47 -
2. Algebra Substitution
If x = 8, find the value of 6x + 7
Answer: 55 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 13, 20, 13, 16
Answer: 15.5