Keystones — Bedrock
Five GCSE retrieval questions · 6 March 2019 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 20 + 45
Answer: 20 + 45 = 65 -
2. Algebra Substitution
If x = 10, find the value of 2x + 10
Answer: 30 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 4, 10, 20, 7
Answer: 10.25