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Inequalities, pairs and combinations

Year 6 maths · Patterns, algebra and ratio · 6 skills with hints, step-by-step help from Mago, video lessons and printable practice.

Example questions

  1. Two numbers add up to 49. Their difference is 19. What are the numbers?
  2. 5a + b = 20. a and b are whole numbers (0, 1, 2 ...). How many pairs (a, b) are there?
  3. A bubble tea shop makes 36 different drinks from 3 teas, 4 toppings and some cup sizes. How many cup sizes are there?
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