Keystones — Bedrock
Five GCSE retrieval questions · 22 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 64
Answer: 20 + 64 = 84 -
2. Algebra Substitution
If x = 10, find the value of 7x + 5
Answer: 75 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 10, 11, 9
Answer: 10