Keystones — Bedrock
Five GCSE retrieval questions · 20 July 2017 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 52 + 51
Answer: 52 + 51 = 103 -
2. Algebra Substitution
If x = 10, find the value of 7x + 5
Answer: 75 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:20
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 11, 19, 3, 20, 2
Answer: 11