Keystones — Bedrock
Five GCSE retrieval questions · 26 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 28
Answer: 20 + 28 = 48 -
2. Algebra Substitution
If x = 5, find the value of 8x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:10
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 16, 23, 10, 11
Answer: 15