Solve 3400 - 680 Using Number Line Jump Strategy

To solve the subtraction $3400 - 680$ using a number line approach:

• First, we start at the number $3400$.
• We then subtract $400$ by making a backward jump on the number line, taking us to $3000$.
• Next, we subtract another $200$, taking us further back to $2800$.
• Finally, we subtract $80$, landing us at the final answer of $2720$.

Therefore, the result of the subtraction $3400 - 680$ is $\textbf{2720}$.