Keystones — Bedrock
Five GCSE retrieval questions · 23 September 2016 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 23 + 21
Answer: 23 + 21 = 44 -
2. Algebra Substitution
If x = 10, find the value of 4x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 17, 5, 8
Answer: 10