Keystones — Bedrock
Five GCSE retrieval questions · 11 December 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 30
Answer: 12 + 30 = 42 -
2. Algebra Substitution
If x = 2, find the value of 5x + 9
Answer: 19 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 19, 8, 4
Answer: 10.333333333333