1. Multiplying Whole Numbers SWBAT multiply with zeros in one or more whole-number factors

2. Long way 237 x 620 000 Same as: (237 x 0) 7440 Same as: (237 x 20) +223200 Same as: (237 x 600) 230,640

3. The quick way  Multiply the digit in the ________ spot by each of the digits in the top number.  If there is a __________ at the end of the number, skip step 1 and pull the _________ down to the ______ of your answer. ones tens hundreds zero end

4. Examples  237 x 380  593 x 506  817 x 609  385 x 806  2365 x 580  6549 x 302

5. The Distributive Property  How else can I write the number 902? 900 + 2  The distributive property tells us that we can multiply each number by the second, and then add them together a(b+c) = ab + ac

6. The Distributive Property  902 x 41,736 (900 + 2) x 41,736.  506 x 831  780 x 311  470 x 1211