Keystones — Bedrock
Five GCSE retrieval questions · 8 September 2017 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 91 + 70
Answer: 91 + 70 = 161 -
2. Algebra Substitution
If x = 4, find the value of 7x + 12
Answer: 40 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 9, 23, 14, 18, 6
Answer: 14