Keystones — Bedrock
Five GCSE retrieval questions · 22 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 22
Answer: 25 + 22 = 47 -
2. Algebra Substitution
If x = 7, find the value of 8x + 3
Answer: 59 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 19, 6, 19, 8
Answer: 13