Keystones — Bedrock
Five GCSE retrieval questions · 15 June 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 88
Answer: 57 + 88 = 145 -
2. Algebra Substitution
If x = 3, find the value of 8x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 7, 8, 2, 4, 19
Answer: 8