Mastering Multi-Digit Column Subtraction

This video tutorial covers the process of column subtraction, emphasizing the importance of aligning numbers correctly. It provides three examples: 829 - 57, 9512 - 372, and 3597 - 1731, demonstrating how to handle borrowing when necessary. The tutorial guides viewers through each step, encouraging them to pause and solve the problems independently before revealing the solutions.

What is the first step in subtracting 829 from 57?

• Subtract the tens

• Subtract the hundreds

• Subtract the ones

• Exchange from the tens column

In the subtraction of 829 - 57, why do we need to borrow from the hundreds column?

• Because 2 is less than 5

• Because 7 is less than 2

• Because 8 is less than 5

• Because 9 is less than 7

When subtracting 9512 from 372, what is the result of subtracting the ones?

• 1

• 2

• 0

• 3

In the example 9512 - 372, what do we do when we can't subtract 1 from 7 in the tens column?

• Exchange from the hundreds column

• Exchange from the ones column

• Exchange from the thousands column

• Exchange from the tens column

In the subtraction of 3597 - 1731, what is the final result after subtracting the thousands?

• 1766

• 1666

• 1866

• 1966