Keystones — Bedrock
Five GCSE retrieval questions · 20 June 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 66
Answer: 55 + 66 = 121 -
2. Algebra Substitution
If x = 3, find the value of 7x + 9
Answer: 30 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 8, 4, 6, 7, 13
Answer: 7.6