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Comparing Numbers Through Millions 4 th grade NS 1.1 – Read and write whole numbers in the millions NS 1.2 – Order and compare whole numbers and decimals to two decimal places

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Learning Objective We will compare numbers up to nine digits*. *digits are any one of the 10 number symbols

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Greater than > Less than < Equal = 12 112 340 430 890 634 549 54 65 65 481 481

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Comparing Numbers Comparing numbers is when we look at numbers and decide which number is greater, lesser, or if they are equal We use the symbols >, <, or = Examples: 145 > 99 600 < 6,000 18 = 18 Non-examples: 45 + 153 6,432 - 239 51 x 12 545 \ 5 What does it mean to compare numbers?

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Which choice shows an example of comparing numbers? A.) 16 + 768 B.) 234 < 243 How did you know? Frame: ___ shows comparing numbers because __________________.

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Why is comparing numbers important? You will need to know how to compare numbers before you can do other skills in this chapter. When you are shopping you will want to know how to compare prices. It will be tested on the CST

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Steps to compare numbers 1. Line up the numbers on your workmat. (start with the ones place) 2. Compare the digits from left to right 3. When the digits do not match the number with the bigger digit is greater! 4. Write the correct symbol, or =

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749,439 1. Line up the numbers on the workmat. (start with the ones place) 2. Compare the digits from left to right 3. When the digits do not match the number with the bigger digit is greater, if they are the same the numbers are equal. 4. Write the correct symbol, or = Millions Thousands Ones Hundreds TensOnes, Hundred s TensOnes, Hundreds TensOnes,,,, What did I do to compare numbers? How did I line them up?

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4,542,633 1. Line up the numbers on the workmat. (start with the ones place) 2. Compare the digits from left to right 3. When the digits do not match the number with the bigger digit is greater, if they are the same the numbers are equal. 4. Write the correct symbol, or = Millions Thousands Ones Hundreds TensOnes, Hundred s TensOnes, Hundreds TensOnes,,,, How did we know?

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490,654,633 49,654,927 1. Line up the numbers on the workmat. (start with the ones place) 2. Compare the digits from left to right 3. When the digits do not match the number with the bigger digit is greater, if they are the same the numbers are equal. 4. Write the correct symbol, or = Millions Thousands Ones Hundreds TensOnes, Hundred s TensOnes, Hundreds TensOnes,,,, Ho did I know one was greater?

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46,871,098 461,867,086 1. Line up the numbers on the workmat. (start with the ones place) 2. Compare the digits from left to right 3. When the digits do not match the number with the bigger digit is greater, if they are the same the numbers are equal. 4. Write the correct symbol, or = Millions Thousands Ones Hundreds TensOnes, Hundred s TensOnes, Hundreds TensOnes,,,, What did we do to compare numbers?

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754,981,905 754,985,658 1. Line up the numbers on the workmat. (start with the ones place) 2. Compare the digits from left to right. 3. When the digits do not match the number with the bigger digit is greater, if they are the same the numbers are equal. 4. Write the correct symbol, or = Millions Thousands Ones Hundreds TensOnes, Hundred s TensOnes, Hundreds TensOnes,,,, What did we do to compare numbers?

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348,874,123 348,874,567 1. Line up the numbers on the workmat. (start with the ones place) 2. Compare the digits from left to right. 3. When the digits do not match the number with the bigger digit is greater, if they are the same the numbers are equal. 4. Write the correct symbol, or = Millions Thousands Ones Hundreds TensOnes, Hundred s TensOnes, Hundreds TensOnes,,,, What did I do to compare numbers?

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What is it called when we find out which number is greater, lesser, or if they are equal? 434,900,124 564,569 5,640,569 72,890,450 72,745,982

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What is something important you learned today about comparing numbers?

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Independent Practice Page 29 numbers 10 - 22

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