Keystones — Bedrock
Five GCSE retrieval questions · 15 October 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 54
Answer: 57 + 54 = 111 -
2. Algebra Substitution
If x = 7, find the value of 4x + 9
Answer: 37 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 10, 15, 16, 11
Answer: 13