AT THE START OF CLASS -- You should HAVE OUT: 1. PENCIL and (or with) ERASER.1. PENCIL and (or with) ERASER. 2. LAST NIGHT’S HOMEWORK.2. LAST NIGHT’S HOMEWORK. 3. A sheet of Notebook or Scratch Paper3. A sheet of Notebook or Scratch Paper PLEASE BE QUIET AFTER THE BELL RINGS!PLEASE BE QUIET AFTER THE BELL RINGS!

Yesterday’s Homework Worksheet 2 – Powers of 10 and Multiplying Decimals: 1- 4Worksheet 2 – Powers of 10 and Multiplying Decimals: 1- 4 NO Calculators! Show Steps! For help and/or more practice see Pg. 676 of your textbook.

9/16 Homework – Answers to Worksheet , ,

Dividing Decimals  Goal  Goal 1 –You should review or learn how to divide decimals. Have out paper and pencil. NO Calculators!

Dividing Decimals Example 1 - Example  26 =. 26 ) Rewrite problem in vertical format. Divide and bring up the decimal point

Dividing Decimals Example 2 - Example  10.5 = ) Rewrite problem in vertical format annex- ing zeros as needed. Divide and bring up the decimal point Clear decimal in divisor and move same number of places in dividend.

Dividing Decimals Example 3 - Example  2.6 =. 2.6 ) Rewrite problem in vertical format. Divide and bring up the decimal point Clear decimal in divisor and move same number of places in dividend.

 A)  A)  8 = ä  B)  B) 16.8  2.1 = ä  C)  C) 837  0.36 = ä  D)  D)  2.4 = ä Copy down all the problems, because we will click off of them soon. Dividing Decimals

 Goal  Goal 2 –You should review or learn how to round decimals answer to a given place if needed. Round Decimal Division Answers

Rounding Answers to Decimal Division 6.3  10.5 = 0.6 Now Round the quotient to the nearest whole number. Look one place to the right of the ones column. There is a 6 in the tenths column. Since it is equal to or more than than 5, the 0 is rounded up to 1. So, So, 6.3  10.5  1

Example 4 - Example  2.6 = Round to nearest tenth. 2.6 ) Rewrite problem in vertical format. Divide and bring up the decimal point Clear decimal in divisor and move same number of places in dividend. 26

Rounding Answers to Decimal Division So, So,  2.6 = Round to nearest tenth Look one place to the right of the tenths column. There is a 9 in the hundredths column. Since it is equal to or is more than 5, the 2 is rounded up to 3. So, So,  2.6  1.3

Know Place Values ___________________________ ___________________________ ones enTHs tenTHs decimal point THs hundredTHs THs thousandTHs THs ten-thousandTHs hundreds thousands ten-thousands tens

 A)  A) 1.78  3 = Round to nearest tenth ä  B)  B)  8 = Round to nearest whole numberä Rounding Answers to Decimal Division

 C)  C) 3.1  9.7 =  Round to one decimal place ä  D)  D)  8 =  Round to nearest hundredthä Rounding Answers to Decimal Division

9/22 Class/Homework Worksheet 3 –Dividing Decimals: 1- 4 NO Calculators! Show Steps! For help and/or more practice see Pg. 676 of your textbook.