Keystones — Bedrock
Five GCSE retrieval questions · 3 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 86
Answer: 90 + 86 = 176 -
2. Algebra Substitution
If x = 5, find the value of 8x + 5
Answer: 45 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 7, 9, 2
Answer: 6