Keystones — Bedrock
Five GCSE retrieval questions · 14 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 19
Answer: 25 + 19 = 44 -
2. Algebra Substitution
If x = 9, find the value of 6x + 10
Answer: 64 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 15, 2, 13
Answer: 10