Understanding Place Value and Addition

This video tutorial teaches how to quickly add 10 or 100 to any number using expanded notation. It reviews place values, including hundreds, tens, and ones, and explains how each digit's value depends on its position. The video demonstrates expanded notation with examples, showing how to break down numbers into their component parts. It also covers counting by hundreds and the effects on place value when adding 10 or 100. Through various examples, viewers learn how to add 10 or 100 to numbers and observe changes in the tens and hundreds places, respectively.

What is the value of the digit '5' in the number 156?

• 5

• 50

• 500

• 5000

How can the number 358 be expressed using expanded notation?

• 300 + 5 + 80

• 300 + 50 + 8

• 3 + 50 + 8

• 30 + 5 + 8

When counting by hundreds, what happens to the hundreds digit?

• It decreases by one

• It doubles

• It stays the same

• It increases by one

What happens to the tens digit when you add 10 to 128?

• It increases by one

• It doubles

• It decreases by one

• It stays the same

What is the result of adding 10 to 138?

• 140

• 148

• 138

• 158

When adding 100 to 629, which digit changes?

• None of the digits

• Hundreds digit

• Tens digit

• Ones digit

What is the result of adding 100 to 375?

• 575

• 275

• 375

• 475

What is the new number when 100 is added to 179?

• 279

• 179

• 379

• 479

If you add 100 to 306, what is the result?

• 306

• 406

• 506

• 606

What is the outcome of adding 100 to 581?

• 681

• 781

• 481

• 581