Keystones — Bedrock
Five GCSE retrieval questions · 4 June 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 69
Answer: 74 + 69 = 143 -
2. Algebra Substitution
If x = 6, find the value of 6x + 3
Answer: 39 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 21, 15, 15, 9
Answer: 15