Keystones — Bedrock
Five GCSE retrieval questions · 2 May 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 81 + 97
Answer: 81 + 97 = 178 -
2. Algebra Substitution
If x = 6, find the value of 2x + 5
Answer: 17 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 3, 16, 4, 6, 16
Answer: 9