Keystones — Bedrock
Five GCSE retrieval questions · 27 September 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 92 + 79
Answer: 92 + 79 = 171 -
2. Algebra Substitution
If x = 10, find the value of 6x + 5
Answer: 65 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 16, 8, 20, 8
Answer: 13