Keystones — Bedrock
Five GCSE retrieval questions · 21 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 78 + 33
Answer: 78 + 33 = 111 -
2. Algebra Substitution
If x = 8, find the value of 4x + 9
Answer: 41 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 6, 16, 14
Answer: 12