Keystones — Bedrock
Five GCSE retrieval questions · 16 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 21
Answer: 21 + 21 = 42 -
2. Algebra Substitution
If x = 8, find the value of 4x + 4
Answer: 36 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:6
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 3, 14, 2
Answer: 6.3333333333333