Keystones — Bedrock
Five GCSE retrieval questions · 25 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 65
Answer: 75 + 65 = 140 -
2. Algebra Substitution
If x = 10, find the value of 6x + 9
Answer: 69 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 8, 16, 19, 11
Answer: 13.5