Keystones — Bedrock
Five GCSE retrieval questions · 16 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 78
Answer: 30 + 78 = 108 -
2. Algebra Substitution
If x = 5, find the value of 7x + 3
Answer: 38 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:8
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 9, 12, 18
Answer: 13