1. { Multiplication Lattice Multiplication

2.  We will compare what you already know about multiplication and construct a statement about the factors.  And we will reproduce a multiplication problem in a lattice chart. Today we will:

3. 2,589 x 458=_____ Solve this problem- any way that you want to.

4. { How did you solve the problem? Turn and Whisper

5.  Are there different ways to multiply?  Does everybody use the same way?  Does that make their method wrong?

6. { Think of ways you like to use. Turn and talk to your partner and describe what you know about the different methods of multiplication.

7. { What is one way to multiply numbers? What do we do to a number, if we multiply it? Class Discussion

8. {  When we multiply- numbers are interchangeable.  interchangeable- capable of replacing or changing places with something else 35 = 5 x 7 35 is 5 times as many as 7 AND 7 times as many as 5.

9. { I have an easy way to solve this problem….. 2x4=____

10. { It is called the Lattice Method of Multiplication 2 4 First number across the top Second number down the side

11. { 2 0 8 4 Tens place Ones Place

13.  When we draw the lattice chart we: 1. Draw your boxes 2. Then, your lines. 3. Corner to corner-out the door.

14. 14x56=___  Multiply the numbers.

15. 14x56=___  Add the numbers in the line together- then bring down.

16. 14x56= So the answer is 784  Start from the top- bring down the numbers.

17. 29 x 9 =_____

18. 1 6 Care the one 1 2 Answer= 261

19. Your turn!  Draw your box.  Draw your lines- corner to corner out the door.

20. 38 x 24= __

21. 42 x 35= __

22. 254 x 37=____

23. { Quick Write Determine your favorite way to multiply and explain why it is your favorite.

24. Teacher Tube Video http://teachertube.com/viewVideo.php?video_id=66936