Keystones — Bedrock
Five GCSE retrieval questions · 28 June 2019 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 77 + 46
Answer: 77 + 46 = 123 -
2. Algebra Substitution
If x = 2, find the value of 7x + 4
Answer: 18 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 10, 16, 9, 18
Answer: 13.25