Keystones — Bedrock
Five GCSE retrieval questions · 25 April 2014 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 15 + 24
Answer: 15 + 24 = 39 -
2. Algebra Substitution
If x = 3, find the value of 7x + 4
Answer: 25 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:40
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 17, 6, 10, 6, 11
Answer: 10