Keystones — Bedrock
Five GCSE retrieval questions · 28 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 53
Answer: 90 + 53 = 143 -
2. Algebra Substitution
If x = 9, find the value of 5x + 3
Answer: 48 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 5, 20, 8
Answer: 11