Keystones — Bedrock
Five GCSE retrieval questions · 26 March 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 20
Answer: 28 + 20 = 48 -
2. Algebra Substitution
If x = 10, find the value of 7x + 4
Answer: 74 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 14, 12, 13
Answer: 13