Keystones — Bedrock
Five GCSE retrieval questions · 13 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 48
Answer: 25 + 48 = 73 -
2. Algebra Substitution
If x = 9, find the value of 5x + 7
Answer: 52 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 9, 10, 5
Answer: 8