Keystones — Bedrock
Five GCSE retrieval questions · 2 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 86 + 84
Answer: 86 + 84 = 170 -
2. Algebra Substitution
If x = 3, find the value of 8x + 5
Answer: 29 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 22, 10, 13
Answer: 15