Keystones — Bedrock
Five GCSE retrieval questions · 29 June 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 70
Answer: 49 + 70 = 119 -
2. Algebra Substitution
If x = 9, find the value of 8x + 8
Answer: 80 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:15
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 3, 5, 19
Answer: 9