1. Objective To be able to multiply decimals with whole numbers and decimals.

2. Multiplication Vocabulary – On your whiteboard write _______ 4.5 x 5 22.5 22.5 Factor product I decimal

3. Decimals Represent Fractions 6. 8 3 6 1 TenthsHundredthsThousandths 6 8/10 3/100 6/1000 1/10,000 6 8/10 3/100 6/1000 1/10,000 Notice that every decimal ends with “ths”. Ones Ten thousandths

4. How to multiply decimals The number of decimal places in the factors is equal to the total number of decimal places in the product. 12 Multiply x 4.235 6 0 3 1 2 4 1 25 x 4.235 6 04125 3 21.

5. Copy the problem and place the decimal where it should go 3.2 5 x 061. 2

6. Copy the problem and place the decimal where it should go.32 0.5 x 061..32 5

7. Copy the problem and place the decimal where it should go 2.7 6.1 x. 7 27 + 1620 1 6 4 7 1

8. How many places in would you put the decimal? @.@& @.@& X @.$ X @.$ @ @%@.

9. It costs $0.45 to mail a letter and $0.30 to mail a postcard. Carla is going to the post office to mail 3 letters and 1 postcard. How much will she spend?

10. A car can drive 0.5 mile in one minute. How far can it travel in 4 minutes? 0 0.5 1 1.5 2 2.5 3

11. A bear weighs 0.4 of a ton. It can walk while holding in its mouth an object weighing 0.5 times as much as its own body weight. What part of a ton can a bear carry?

12. Your Turn You will be working in groups of 4 to create a poster. You have 10 minutes. You will be working in groups of 4 to create a poster. You have 10 minutes. Gallery Walk Gallery Walk –Groups A together, Groups B together –2 stay and explain, 2 walk the gallery and listen (cycle through all stations on your side 1 minute) –Share with whole class

13. Objective To be able to multiply decimals with whole numbers and decimals.

14. Wrap Up One thing I learned today _____________. One thing I learned today _____________. One way you can multiply decimals is_______________. One way you can multiply decimals is_______________.

15. Ticket out the door Choose one problem from the worksheet and solve it using one of the representations (money, number line, grid) you explored today. Choose one problem from the worksheet and solve it using one of the representations (money, number line, grid) you explored today.