Keystones — Bedrock
Five GCSE retrieval questions · 8 February 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 36
Answer: 42 + 36 = 78 -
2. Algebra Substitution
If x = 4, find the value of 4x + 9
Answer: 25 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:25
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 6, 13, 17
Answer: 12