Keystones — Bedrock
Five GCSE retrieval questions · 4 September 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 61
Answer: 75 + 61 = 136 -
2. Algebra Substitution
If x = 9, find the value of 4x + 12
Answer: 48 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 12, 24, 3
Answer: 13