Keystones — Bedrock
Five GCSE retrieval questions · 27 October 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 48
Answer: 49 + 48 = 97 -
2. Algebra Substitution
If x = 5, find the value of 7x + 8
Answer: 43 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 6, 6, 7, 15, 6
Answer: 8