Keystones — Bedrock
Five GCSE retrieval questions · 1 January 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 12 + 11
Answer: 12 + 11 = 23 -
2. Algebra Substitution
If x = 7, find the value of 8x + 4
Answer: 60 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 12, 10, 7, 7
Answer: 9