KS2 Primary Maths Age 9-13 - Number - Problem: - Explained

The video tutorial explains how to find two numbers that add up to 25, where one number is 7 more than the other. Initially, a trial-and-error method is considered, but the instructor opts for a more systematic approach. By subtracting 7 from 25 and dividing the result by 2, the instructor finds the smaller number to be 9 and the larger number to be 16. The solution is verified, and alternative methods are briefly discussed.

What alternative method could the teacher have used to find the two numbers?

Explain why the teacher believes the method used is a neater way to solve the problem.