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Mastering Addition: The Power of Adding 10 or 100
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Understanding Addition of 10 or 100
When you add 10 or 100 to a number, you are simply increasing the value of the tens or hundreds place while keeping the other place values unchanged. Let's break this down further:
Adding 10 to a Number
Start with a Number: Suppose you have the number 235.
Identify the Place Values:Hundreds: 2
Tens: 3
Ones: 5
Add 10: Adding 10 means adding 1 ten to the tens place.New Tens Value: 3 + 1 = 4
Resulting Number: The new number is 245, which is represented as:Hundreds: 2
Tens: 4
Ones: 5
Example:
Original Number: 235
2 hundreds, 3 tens, 5 ones
After Adding 10:
2 hundreds, 4 tens, 5 ones = 245
Adding 100 to a Number
Start with a Number: Suppose you have the number 235.
Identify the Place Values:Hundreds: 2
Tens: 3
Ones: 5
Add 100: Adding 100 means adding 1 hundred to the hundreds place.New Hundreds Value: 2 + 1 = 3
Resulting Number: The new number is 335, which is represented as:Hundreds: 3
Tens: 3
Ones: 5
Example:
Original Number: 235
2 hundreds, 3 tens, 5 ones
After Adding 100:
3 hundreds, 3 tens, 5 ones = 335
By understanding and practicing these steps, you can master the addition of tens and hundreds with ease. Practice with our flashcards and watch our instructional video to become proficient in adding 10 or 100 to any number.
Discovering how to add 10 or 100 to a number can significantly enhance your understanding of basic arithmetic. Khan Academy offers an exceptional explanation of this topic, and you can watch their video lesson to gain a comprehensive understanding.