Keystones — Bedrock
Five GCSE retrieval questions · 13 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 21
Answer: 29 + 21 = 50 -
2. Algebra Substitution
If x = 3, find the value of 8x + 10
Answer: 34 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 20, 13, 6
Answer: 13