Keystones — Bedrock
Five GCSE retrieval questions · 21 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 95
Answer: 68 + 95 = 163 -
2. Algebra Substitution
If x = 10, find the value of 8x + 9
Answer: 89 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 17, 2, 20
Answer: 13