Keystones — Bedrock
Five GCSE retrieval questions · 16 July 2015 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 16 + 22
Answer: 16 + 22 = 38 -
2. Algebra Substitution
If x = 9, find the value of 3x + 9
Answer: 36 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 4, 12, 2, 14, 13
Answer: 9