Keystones — Bedrock
Five GCSE retrieval questions · 20 July 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 28
Answer: 28 + 28 = 56 -
2. Algebra Substitution
If x = 7, find the value of 8x + 3
Answer: 59 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 4, 8, 4, 16
Answer: 8