Keystones — Bedrock
Five GCSE retrieval questions · 13 May 2018 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 39 + 68
Answer: 39 + 68 = 107 -
2. Algebra Substitution
If x = 2, find the value of 7x + 3
Answer: 17 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:15
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 19, 17, 7, 3, 13
Answer: 11.8