1. A Review of the of Multiple Ways to Multiply by Allie Cohn

2. Its a way to manage big numbers It can be kind of like addition But over and over and over again! Remember the penny jarHow would you define it? 3. What other ways can you think of? 4. In story problems or in written problems, you might hear one of these words. All of them mean the same thing: Multiply! 5. The next few slides will review some different and creative ways to multiply 6. Skip counting can help you find the product of two numbers you dont know by memory The picture below represents skip counting for the problem 4x3 7. A lot like skip counting Works well for larger numbers13x3=? 13+13+1313+13=2626+13=39 13*3=39 8. The array model works for any size number! 9. This method is helpful for bigger numbers that youdont have memorized Remember the placeholder! 10. Please demonstrate the following problem using each of the multiplication skills you have just reviewed:17 x 4 This is due in class tomorrow! 11. http://www.amazon.com/gp/product/images/0977693910/sr=8-1/qid=1266853088/ref=dp_otherviews_0?ie=UTF8&s=books&img=0&qid=1266853088&sr=8-1 http://www.eworkshop.on.ca/edu/resources/guides/NSN_vol_3_Multiplication.pdf http://3.bp.blogspot.com/_82jYjcjk6wM/S64QTxarKWI/AAAAAAAACx4/RRM9ujG1gLc/s1600/kid_teacher_multiplication_table_736155.jpg