Keystones — Bedrock
Five GCSE retrieval questions · 20 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 65 + 94
Answer: 65 + 94 = 159 -
2. Algebra Substitution
If x = 10, find the value of 4x + 4
Answer: 44 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 21, 16, 18, 2, 13
Answer: 14