Subtracting Using Expanded Notation

This video tutorial teaches how to subtract 10 or 100 from a number using expanded notation. It begins with a review of place value, explaining the significance of hundreds, tens, and ones. The tutorial then demonstrates subtracting 100 and 10 from various numbers, emphasizing the changes in place value. Through examples, it shows how only the hundreds or tens place changes when subtracting 100 or 10, respectively, while the other digits remain unchanged.

What does the digit '4' represent in the number 145?

• 4 tens

• 4 thousands

• 4 ones

• 4 hundreds

When subtracting 100 from a number, which digit changes?

• Ones digit

• Tens digit

• Hundreds digit

• Thousands digit

What is 253 minus 10 using expanded notation?

• 2 hundreds plus 4 tens plus 2 ones

• 2 hundreds plus 3 tens plus 3 ones

• 2 hundreds plus 4 tens plus 3 ones

• 2 hundreds plus 5 tens plus 3 ones

If you subtract 10 from 233, what is the result?

• 223

• 203

• 213

• 243

What is the result of 569 minus 100?

• 469

• 569

• 669

• 769

After subtracting 100 from 435, what is the new number?

• 535

• 635

• 335

• 435

What is 159 minus 100?

• 159

• 59

• 259

• 359