Keystones — Bedrock
Five GCSE retrieval questions · 8 March 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 67 + 68
Answer: 67 + 68 = 135 -
2. Algebra Substitution
If x = 7, find the value of 7x + 8
Answer: 57 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 15, 6, 3
Answer: 8