Keystones — Bedrock
Five GCSE retrieval questions · 25 May 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 39
Answer: 13 + 39 = 52 -
2. Algebra Substitution
If x = 5, find the value of 7x + 3
Answer: 38 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 15, 10, 5, 10
Answer: 10