Keystones — Bedrock
Five GCSE retrieval questions · 17 September 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 36
Answer: 50 + 36 = 86 -
2. Algebra Substitution
If x = 7, find the value of 8x + 5
Answer: 61 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 15, 16, 15, 16, 20
Answer: 16.4