Keystones — Bedrock
Five GCSE retrieval questions · 12 May 2017 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 65 + 90
Answer: 65 + 90 = 155 -
2. Algebra Substitution
If x = 9, find the value of 6x + 11
Answer: 65 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 16, 8, 19, 12, 5
Answer: 12