Keystones — Bedrock
Five GCSE retrieval questions · 10 June 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 72 + 87
Answer: 72 + 87 = 159 -
2. Algebra Substitution
If x = 2, find the value of 2x + 10
Answer: 14 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:40
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 8, 5, 3, 20
Answer: 9