Keystones — Bedrock
Five GCSE retrieval questions · 16 September 2021 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 39 + 35
Answer: 39 + 35 = 74 -
2. Algebra Substitution
If x = 9, find the value of 7x + 12
Answer: 75 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 19, 11, 12, 20, 20
Answer: 16.4