Keystones — Bedrock
Five GCSE retrieval questions · 21 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 38
Answer: 25 + 38 = 63 -
2. Algebra Substitution
If x = 10, find the value of 4x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 2, 3, 2, 20, 10
Answer: 7.4