Keystones — Bedrock
Five GCSE retrieval questions · 18 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 50
Answer: 51 + 50 = 101 -
2. Algebra Substitution
If x = 4, find the value of 4x + 6
Answer: 22 -
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: 12, 10, 2, 10, 2
Answer: 7.2