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Understanding Whole Numbers: Place Value and Comparing Numbers

This section covers the essentials of understanding whole numbers, focusing on place value and how to write and compare them. Learn to determine the value of a digit in various numbers, and explore writing numbers in standard and expanded form. The section also includes examples of writing whole numbers in words and comparing them using greater than and less than symbols. Students will practice ordering numbers from least to greatest and complete assignments to reinforce their understanding.

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Understanding Whole Numbers: Place Value and Comparing Numbers

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  1. Course 1 Chapter 1 Section1 Understanding Whole Numbers

  2. Reviewing Skills You Need: Place Value

  3. Write the value of the digit 2 in each number: 28: 20 2 8,672: 612,980: 2,000 7,249,800,401: 200,000,000

  4. Objective 1: Writing and Comparing Whole Numbers Standard Form: Uses Digits and Place Value to express numbers Uses commas to separate values Example: 2,623,684,608,000 Expanded Form: A sum that shows the place and value of each digit in the number Example: 6000 + 500 + 40 + 2

  5. Example 1: Writing a Whole Number in Words 2,623,684,608,000 2,000,000,000,000 + 623,000,000,000 + 684,000,000 + 608,000 2 Trillion 623 Billion 684 Million 608 Thousand Two Trillion, six hundred twenty-three billion, six hundred eighty-four million, six hundred eight thousand

  6. Example 2: Comparing and Ordering Whole Numbers Use < or > to complete 995 998 995 998 995 is on the left of 998 on the number line above So, 995 < 998

  7. Example 2: Comparing and Ordering Whole Numbers Write in order from least to greatest: 9,797; 9,987; 9,789 The first digit is the same Compare the tens digit in the remaining numbers. 9 is greater than 8, so 9,797 is the next largest number 9,797 9,987 9,789 9 is the largest digit so 9,987 is the largest number The order from least to greatest is: 9,789; 9,797; 9,987

  8. Questions?

  9. Assignment: Page 6-7  #’s 1-23, 34-40

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