Keystones — Bedrock
Five GCSE retrieval questions · 18 August 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 29 + 42
Answer: 29 + 42 = 71 -
2. Algebra Substitution
If x = 8, find the value of 8x + 9
Answer: 73 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 20, 7, 19, 18
Answer: 16