Keystones — Bedrock
Five GCSE retrieval questions · 27 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 67
Answer: 22 + 67 = 89 -
2. Algebra Substitution
If x = 8, find the value of 8x + 3
Answer: 67 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:15
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 22, 8, 13, 17
Answer: 15