CAIE IGCSE Mathematics Core four operations and number skills

Practise using +, −, × and ÷ with integers, fractions, decimals and brackets, giving exact simplified answers where required.

Syllabus
2028–2030
Objective
C1.6.1
Level
Core

Exam points

  • calculate with fractions by using common denominators and simplifying the final answer
  • divide mixed numbers by converting to improper fractions before changing the divisor
  • apply negative number operations in short calculations and temperature-change contexts

C1.6.1 Use the four operations for calculations with integers, fractions and question 1

[Maximum number: 1]

Find the value of

16×49\sqrt{16} \times \sqrt{49}.

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