Keystones — Bedrock
Five GCSE retrieval questions · 27 January 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 34
Answer: 21 + 34 = 55 -
2. Algebra Substitution
If x = 2, find the value of 6x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 15, 4, 2, 14, 11
Answer: 9.2