Keystones — Bedrock
Five GCSE retrieval questions · 17 February 2021 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 78 + 56
Answer: 78 + 56 = 134 -
2. Algebra Substitution
If x = 5, find the value of 7x + 5
Answer: 40 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 7, 8, 4, 4, 15
Answer: 7.6