Keystones — Bedrock
Five GCSE retrieval questions · 3 July 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 27 + 22
Answer: 27 + 22 = 49 -
2. Algebra Substitution
If x = 10, find the value of 6x + 3
Answer: 63 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 13, 5, 9
Answer: 9