Keystones — Bedrock
Five GCSE retrieval questions · 19 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 86 + 61
Answer: 86 + 61 = 147 -
2. Algebra Substitution
If x = 9, find the value of 2x + 5
Answer: 23 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:6
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 19, 19, 4
Answer: 14