Subtraction of Three-Digit Numbers

The video tutorial covers subtracting three-digit numbers, focusing on using place values and regrouping. It provides a detailed example of subtracting 425 from 136, followed by several practice problems to reinforce the concept. The video also includes problem-solving exercises to find sums and differences, encouraging students to try different combinations. The tutorial concludes with a summary and a preview of the next video, which will continue practicing subtraction with different types of numbers.

What is the first step in subtracting three-digit numbers?

• Align the numbers by their place values

• Add the numbers together

• Multiply the numbers

• Divide the numbers

When subtracting 425 from 136, why do we need to regroup?

• Because 2 is greater than 4

• Because 6 is greater than 5

• Because 5 is greater than 6

• Because 4 is greater than 2

In the subtraction of 425 from 136, what does the 'H' represent?

• Hundreds

• Tens

• Ones

• Thousands

How many ones are left after regrouping in the subtraction of 425 from 136?

• 8

• 6

• 5

• 9

What is the result of 425 minus 136?

• 279

• 289

• 269

• 299

What is the purpose of using models in subtraction?

• To add numbers

• To visualize the regrouping process

• To divide numbers

• To make the numbers bigger

In the practice problem 761 minus 429, how many times do we regroup?

• Three times

• Twice

• Not at all

• Once

What is the result of 761 minus 429?

• 332

• 372

• 342

• 352

In the subtraction of 574 from 228, what is the result?

• 326

• 346

• 356

• 336

What is the result of 604 minus 152?

• 452

• 462

• 442

• 432