Keystones — Lintel
Five GCSE retrieval questions · 2 April 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 993 + 624
Answer: 1617 -
2. Algebra
Solve: 5x - 12 = 3x + -4
Answer: x = 4 -
3. Geometry
Opposite = 19cm, adjacent = 10cm. Calculate the angle
Answer: 62.2° -
4. Ratio
Find 41% of 240
Answer: 98.4 -
5. Statistics
A bag has 3 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 3⁄8