Keystones — Bedrock
Five GCSE retrieval questions · 12 December 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 76
Answer: 35 + 76 = 111 -
2. Algebra Substitution
If x = 6, find the value of 3x + 3
Answer: 21 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 12, 13, 10, 21
Answer: 14