Keystones — Bedrock
Five GCSE retrieval questions · 19 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 13
Answer: 24 + 13 = 37 -
2. Algebra Substitution
If x = 3, find the value of 8x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 19, 20, 15, 15, 1
Answer: 14