Keystones — Bedrock
Five GCSE retrieval questions · 12 July 2014 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 20 + 28
Answer: 20 + 28 = 48 -
2. Algebra Substitution
If x = 8, find the value of 7x + 6
Answer: 62 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 19, 11, 9
Answer: 13