Division and Estimation

1
Division and Estimation

• 2-3

2
Division

• The opposite process of multiplication
• Example
• 18 3 6 or or
• What are the factors?
• The product?

3
Dividend

• Any number to be divided

4
Divisor

• Shows the size or number of groups into which a
  dividend is to be split

5
Quotient

• How many times the divisor is included in the
  dividend

6
Placing the Decimal Point

• In the quotient, place the decimal directly above
  the decimal in the dividend
• Example

7
Dividing to a Stated of Decimal Places

• Divide and round to the nearest thousandth.
• Example
• 8.599

8
Compatible Numbers

• Numbers that make calculations easier
• Example

9
Estimating with Division Less Than One

• Move the decimal enough places to change to a
  whole number and move the same of places in the
  dividend and round
• Example
• 
  

10
Dividing by Multiples of 10, 100, or 1000

• Remove zeros by moving the decimal
• Example

11
Homework

• Pages 61-65
• 4, 11, 16, 25, 34, 37, 41, 50, 57, 60, 73, 78