Keystones — Bedrock
Five GCSE retrieval questions · 23 April 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 38
Answer: 40 + 38 = 78 -
2. Algebra Substitution
If x = 9, find the value of 6x + 9
Answer: 63 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:6
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 19, 2, 18
Answer: 13