Keystones — Bedrock
Five GCSE retrieval questions · 26 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 29
Answer: 79 + 29 = 108 -
2. Algebra Substitution
If x = 8, find the value of 7x + 6
Answer: 62 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:6
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 13, 15, 16, 4
Answer: 12