Keystones — Bedrock
Five GCSE retrieval questions · 21 June 2014 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 21 + 33
Answer: 21 + 33 = 54 -
2. Algebra Substitution
If x = 7, find the value of 6x + 7
Answer: 49 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:16
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 15, 12, 9
Answer: 12