Keystones — Bedrock
Five GCSE retrieval questions · 9 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 24
Answer: 88 + 24 = 112 -
2. Algebra Substitution
If x = 7, find the value of 8x + 11
Answer: 67 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 4, 5, 6, 5
Answer: 5