Keystones — Bedrock
Five GCSE retrieval questions · 21 August 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 46 + 40
Answer: 46 + 40 = 86 -
2. Algebra Substitution
If x = 6, find the value of 8x + 9
Answer: 57 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:40
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 17, 10, 3
Answer: 10