Keystones — Bedrock
Five GCSE retrieval questions · 23 July 2021 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 91 + 75
Answer: 91 + 75 = 166 -
2. Algebra Substitution
If x = 7, find the value of 7x + 8
Answer: 57 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 5, 5, 16
Answer: 8.6666666666667