Keystones — Bedrock
Five GCSE retrieval questions · 1 September 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 37
Answer: 42 + 37 = 79 -
2. Algebra Substitution
If x = 5, find the value of 5x + 11
Answer: 36 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 15, 10, 11
Answer: 12