Keystones — Bedrock
Five GCSE retrieval questions · 25 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 89
Answer: 69 + 89 = 158 -
2. Algebra Substitution
If x = 9, find the value of 4x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 14, 12, 16
Answer: 14