Keystones — Bedrock
Five GCSE retrieval questions · 1 January 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 51
Answer: 99 + 51 = 150 -
2. Algebra Substitution
If x = 3, find the value of 6x + 4
Answer: 22 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 19, 3, 5
Answer: 9