1. 2.3 Day 2 Place Value in Whole Numbers

2. Homework

3. Mental Math Write these numbers in expanded form on your whiteboard. Example: 734 34 347 3479 700 + 30 + 4

4. Write your answers to these questions on your whiteboard.

5. Numbers Counting Numbers: 1, 2, 3, 4, 5, … notice that 0 is not considered a counting number Whole Numbers: all of the counting numbers AND 0 are whole numbers. 0, 1, 2, 3, 4, 5, … Digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9

6. Value of Digits The value of a digit depends on its place in a number. For example: In the number 34, the digit 3 has a value of 30. In the number 3,456, the digit 3 has a value of 3,000. What is the value of the digit 3 in 536?

8. Writing Numbers as Sums of Ones, Tens and Hundreds 853 What is the value of the 8? ___ What is the value of the 5? ___ What is the value of the 3? ___

9. Writing Numbers as Sums of Ones, Tens and Hundreds

10. Partner Work Complete problems 1-4 ALONE.

11. Wrap it UP! In your Math Notebook, write the answers. 1)In 4,789 4 is worth _____ 7 is worth _____ 8 is worth _____ 9 is worth _____ 2) In 326,498 Which digit is in the tens place? ___ Which digit has the greatest value? ___ What is the value of the 6? ___

12. Tonight’s Homework

13. Math Boxes