Keystones — Bedrock
Five GCSE retrieval questions · 22 July 2014 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 41 + 21
Answer: 41 + 21 = 62 -
2. Algebra Substitution
If x = 8, find the value of 7x + 9
Answer: 65 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 19, 4, 11, 12, 24
Answer: 14