Definition:
The value of each digit in a number is known as the place value. The 5 in 5,006 signifies 5 thousands, or 5,000, whereas the 5 in 350 represents 5 tens, or 50. Children should be taught that, even though a digit may be the same, its value varies according to where it appears in the number.
-Recognize Place Values of Ones, Tens, and Hundreds:
- Example: In the number 462:
- The digit 4 is in the hundreds place, so it represents 400.
- The digit 6 is in the tens place, so it represents 60.
- The digit 2 is in the ones place, so it represents 2.
-Identify and label place values in three-digit numbers:
- Example: In the number 385:
- The 3 is in the hundreds place, so it represents 300.
- The 8 is in the tens place, so it represents 80.
- The 5 is in the one's place, so it represents 5.
Students will learn to say that 385 is made up of 300 + 80 + 5.
-Compose and decompose numbers using place value:
- Example: Decompose the number 275:
- 275 is made up of:
- 200 (2 hundreds),
- 70 (7 tens),
- 5 (5 ones).
-Compare numbers using place value:
- Example: Compare 478 and 465:
- Look at the hundreds place: Both numbers have a 4 in the hundreds place (400), so they are equal here.
- Look at the tens place: 478 has a 7 (70), and 465 has a 6 (60). Since 70 is greater than 60, 478 is greater than 465.
This helps students understand how to use place value to compare numbers.