Topic Details

Level: Level 3: Number Bonds & Patterns

Topic: Introduction to place value

Description:

Place value is the understanding that the value of a digit depends on its position in a number. In our number system, each place represents a power of 10. For example, in the number 23, the digit 2 is in the "tens" place, so it represents 20, while the digit 3 is in the "ones" place, so it represents 3.

Place value helps children:

Examples:

Example 1:
Number: 45
Explanation: The digit 4 is in the tens place, so it represents 40. The digit 5 is in the ones place, so it represents 5. Therefore, 45 = 40 + 5.

Example 2:
Number: 123
Explanation:

Therefore, 123 = 100 + 20 + 3.

Learning place value helps children understand how numbers are built and gives them tools to perform calculations more effectively.

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