Keystones — Bedrock
Five GCSE retrieval questions · 26 June 2013 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 87 + 57
Answer: 87 + 57 = 144 -
2. Algebra Substitution
If x = 7, find the value of 8x + 9
Answer: 65 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 16, 4, 13
Answer: 11