Keystones — Bedrock
Five GCSE retrieval questions · 7 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 25
Answer: 51 + 25 = 76 -
2. Algebra Substitution
If x = 8, find the value of 7x + 12
Answer: 68 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 12, 5, 11
Answer: 9.3333333333333