Educational worksheet for teaching 3-digit subtraction with exchanges, featuring differentiated activities and problem-solving tasks.

A colorful educational worksheet titled "Lesson 9 (R) - Subtract 3-digits from 3-digits - exchange" designed for teaching subtraction using column methods and exchanges. The worksheet is divided into sections: "Working Towards," "Working Within," and "Greater Depth," each with different levels of difficulty. It includes activities such as using place value counters, completing subtraction problems, and matching calculations to pictorial representations. The top section outlines the NC Objective, resources needed, and vocabulary. The bottom section features "Reasoning & Problem Solving" tasks w