Keystones — Bedrock
Five GCSE retrieval questions · 24 June 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 25 + 32
Answer: 25 + 32 = 57 -
2. Algebra Substitution
If x = 6, find the value of 4x + 3
Answer: 27 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 6, 12, 13, 15, 9
Answer: 11