Keystones — Bedrock
Five GCSE retrieval questions · 11 August 2016 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 39 + 38
Answer: 39 + 38 = 77 -
2. Algebra Substitution
If x = 3, find the value of 3x + 9
Answer: 18 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 7, 1, 4, 20
Answer: 8