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 result of 829 take away 57?

• 772

• 762

• 800

• 780

Describe how to set up the numbers for column subtraction.

• Align them vertically

• Write them horizontally

• Use a calculator

• Estimate the answer

Explain the process of subtracting the 10s in the problem 9512 subtract 372.

• We can do it directly

• We need to exchange from the hundreds

• We can't subtract

• We add instead

What do you do when you can't subtract the hundreds in the problem 3597 take away 1731?

• Exchange from the thousands

• Subtract directly

• Add instead

• Ignore it

Calculate the final answer for 3597 take away 1731.

• 1866

• 1860

• 1870

• 1850