Adding 10 Across 100 with Base 10 Blocks

This video tutorial teaches how to add 10 to a three-digit number using base 10 blocks. It explains the place value system, focusing on hundreds, tens, and ones. The tutorial demonstrates adding 10 to numbers, highlighting special cases where the tens place is 9, which results in a new hundred. The lesson concludes with a summary of the process using base 10 blocks.

What are the place values in a three-digit number?

• Tens, ones, and tenths

• Thousands, hundreds, and tens

• Hundreds, tens, and ones

• Hundreds, thousands, and ones

When adding 10 to a number, which place value is always affected?

• Thousands

• Hundreds

• Tens

• Ones

What happens when you add 10 to a number with a 9 in the tens place?

• Only the hundreds place changes

• Only the tens place changes

• The ones place changes

• The tens and hundreds places change

How many tens make up a hundred in base 10 blocks?

• 20

• 10

• 5

• 15

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

• 417

• 397

• 387

• 407