MAFS3OA37 Lesson Opening Write an equation that represents the following situation Use the letter c to represent the unknown Sharon has 6 cookies and 3 cookie jars She wants to put the same number of cookies in each jar How many cookies will she put in each jar ID: 486711
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Slide1
Divide with 1 and 0
MAFS.3.OA.3.7Slide2
Lesson Opening
Write an equation that represents the following situation. Use the letter c to represent the unknown.
Sharon has 6 cookies and 3 cookie jars. She wants to put the same number of cookies in each jar. How many cookies will she put in each jar?Slide3
Dividing with 1
There are 3 cookies and 1 jar. How many cookies are in the jar?Slide4
Dividing with 1
There are 3 cookies and 1 jar. How many cookies are in the jar?Slide5
Dividing with 1
There are 3 cookies and 1 jar. How many cookies are in the jar?
3 ÷ 1 = 3
Number of cookies
Number of jars
Number of cookies in each jarSlide6
Dividing with 1
There are 3 cookies and 1 jar. How many cookies are in the jar?
RULE
:
Any number divided by 1 equals that number.Slide7
Dividing with 1
There are 3 cookies and 3 jars. How many cookies are in each jar?Slide8
Dividing with 1
There are 3 cookies and 3 jars. How many cookies are in each jar?Slide9
Dividing with 1
There are 3 cookies and 3 jars. How many cookies are in each jar?
3 ÷ 3 = 1
Number of cookies
Number of jars
Number of cookies in each jarSlide10
Dividing with 1
There are 3 cookies and 3 jars. How many cookies are in each jar?
RULE
:
Any number divided by itself equals 1.Slide11
Dividing with 0
If there are 0 cookies and 3 jars, how many cookies will be in each jar?Slide12
Dividing with 0
If there are 0 cookies and 3 jars, how many cookies will be in each jar?Slide13
Dividing with 0
If there are 0 cookies and 3 jars, how many cookies will be in each jar?
0 ÷ 3 = 0
Number of cookies
Number of jars
Number of cookies in each jarSlide14
Dividing with 0
If there are 0 cookies and 3 jars, how many cookies will be in each jar?
RULE
:
Zero divided by any number (except zero) equals 0.Slide15
Dividing with 0
If there are 3 cookies and 0 jars, how many cookies will be in each jar?Slide16
Dividing with 0
If there are 3 cookies and 0 jars, how many cookies will be in each jar?Slide17
Dividing with 0
If there are 3 cookies and 0 jars, how many cookies will be in each jar?
3 ÷ 0 =
Number of cookies
Number of jars
Number of cookies in each jarSlide18
Dividing with 0
If there are 3 cookies and 0 jars, how many cookies will be in each jar?
3 ÷ 0 =
Number of cookies
Number of jars
Number of cookies in each jar
You cannot separate the cookies equally into jars because there are
NO jars.
Dividing by zero is NOT possible.Slide19
Dividing with 0
If there are 3 cookies and 0 jars, how many cookies will be in each jar?
3 ÷ 0 =
Number of cookies
Number of jars
Number of cookies in each jar
You cannot separate the cookies equally into jars because there are
NO jars.
Dividing by zero is NOT possible.
RULE
:
You CANNOT divide a number by 0.
Think of the related multiplication fact:
_____ x 0 = 4.
Nothing times 0 will give you 4.Slide20Slide21
What are the rules for dividing
with 1 and 0?Slide22
Exit Ticket
What is the quotient?
5 ÷ 1
2 ÷ 2
0 ÷ 3
Choose one of the expressions above and write the related facts for it.