Keystones — Bedrock
Five GCSE retrieval questions · 19 March 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 36
Answer: 39 + 36 = 75 -
2. Algebra Substitution
If x = 10, find the value of 8x + 12
Answer: 92 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 23, 2, 4, 7
Answer: 9