GCSE Secondary Maths Age 13-17 - Number: Recurring Decimal - Explained

The video tutorial explains how to prove algebraically that the recurring decimal 0.25 recurring equals 23/90. It outlines a step-by-step procedure, starting with defining X as the recurring decimal, multiplying to isolate the decimal part, and solving the resulting equations. The tutorial emphasizes the routine nature of such questions and explains the marks allocation for each step.

What is the algebraic representation of the recurring decimal nought .25 recurring?

Explain the procedure to convert the recurring decimal 0.25555... into a fraction.

What do you obtain when you multiply both sides of the equation by 10?

How do you derive the equation 90X = 23 from the previous equations?

What are the marks allocated for solving the recurring decimal question?