1. BELL RINGER Complete the following problems on your own paper 1) 0.123 + 5.4 2) 12.43 – 5.412 3) 21 – 3.49 4) 13.54 + 3.24 – 0.9

2. August 11, 2015 Objective: To multiply Decimals and apply decimal multiplication to real world problems. Multiplying Decimals

3. What Multiplication looks like There are multiple ways to express multiplication: 3.4 x 5 3.4 5 3.4 * 5 3.4(5) (3.4)(5)

4. Steps 1) Count how many digits are AFTER the decimal in the problem. 2) Multiply like normal (ignoring the decimals) 3) Place decimal in the product (Answer) with the total number of digits behind the decimal

5. Example 1 14.3 x 0.81

6. Example 2 3.4 x 2.1 x 0.8

7. Example 3 At your part-time job, you earn $7.30 per hour. You work for two and a half hours. How much money do you earn?

8. With a partner – Example 4 125(0.8)

9. On your own – Example 5 3.4 x 2.1 x 0.8

10. August 11, 2015 Objective – To divide decimals and solve problems by dividing decimals Dividing Decimals

11. What division looks like There are 3 ways to write 1.2 divided by 0.3 1.2 ÷ 0.3 0.3 √ 1.2 1.2 0.3

12. Vocabulary

13. Steps 1. If there is a decimal in the divisor, move the decimal all the way to the right turning the decimal into a whole number. 2. If you move the decimal in the divisor, you MUST move the decimal in the dividend to the right the same number of digits ( may need to add 0’s) 3. Take the decimal in the dividend straight up into the quotient 4. Divide.

14. Example 1 2.064 ÷ 0.24

15. Example 2 You use 0.6 lbs of bananas in each smoothie. How many smoothies can you make with 3.12 lbs of bananas?

16. With a partner – Example 3 12.42 ÷ 5.4

17. On your own – Example 5 67.84 ÷ 0.64