This video tutorial explains how adding 10 to a number can affect its place values, especially when the tens place is 9. Using base 10 blocks, the tutorial demonstrates how to add 10 to numbers like 279 and 397, showing how the hundreds, tens, and ones places change. The lesson emphasizes understanding place values and the concept of bundling tens into hundreds.

What are the components of a three-digit number?

• Thousands, hundreds, and tens

• Tens, ones, and tenths

• Hundreds, thousands, and ones

• Hundreds, tens, and ones

What does a 'ten long' represent in base 10 blocks?

• 1

• 10

• 100

• 1000

When adding 10 to 279, what is the result?

• 289

• 279

• 299

• 389

Why does adding 10 to a number with a 9 in the tens place affect the hundreds place?

• Because it creates a new ten

• Because it creates a new hundred

• Because it changes the thousands place

• Because it changes the ones place

What happens when you have 10 tens in base 10 blocks?

• You have 10 ones

• You have 1 hundred

• You have 10 hundreds

• You have 1 ten

What is the result of adding 10 to 397 using base 10 blocks?

• 397

• 387

• 407

• 417