Keystones — Bedrock
Five GCSE retrieval questions · 12 March 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 45 + 13
Answer: 45 + 13 = 58 -
2. Algebra Substitution
If x = 9, find the value of 4x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 13, 8, 10, 9, 20
Answer: 12