Keystones — Bedrock
Five GCSE retrieval questions · 5 December 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 98
Answer: 30 + 98 = 128 -
2. Algebra Substitution
If x = 6, find the value of 3x + 8
Answer: 26 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 14, 12, 14, 16, 8
Answer: 12.8