Keystones — Bedrock
Five GCSE retrieval questions · 7 December 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 32
Answer: 16 + 32 = 48 -
2. Algebra Substitution
If x = 7, find the value of 7x + 5
Answer: 54 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 20, 10, 4
Answer: 11.333333333333