Warm Up

1
Warm Up
3. The table below shows how many socks come in
each package. Mrs. Smith needs to purchase
125 pairs of socks. How many packages would she
have to buy? 4. The choir students at Granger
Elementary are going on a field trip. There are
109 choir students going on the trip. Five
students can ride in each car. How many cars
will they need for everyone to get to go?

• 1. 36 x 7
• 2. 45 6

Number of Packages Number of pairs of socks
2 50
4 100
6 150
8 200
2
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• 2. How much would it cost to purchase a
  refrigerator and a stove on sale?

3
Ten Minute Math Quick Images 1

• Show image for 3 seconds
• Write several different equations to find the
  total number of dots
• Try to look for groups of patterns in the image
• First View

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Ten Minute Math Quick Images 1

• Take a couple of minutes to write down equations.
  
• You may find it helpful to draw the image, jot
  down information about what you saw or write
  equations.
• Second view

5
Ten Minute Math Quick Images 1

• You may want to revise your drawings, notes, or
  equations on the basis of the second viewing.
• After a few minutes, show the image again for the
  third time, but leave the image displayed.
• Would anyone like to explain how they saw the
  image (including any revisions they made)?
• How were you able to remember this image after
  seeing it briefly?
• What did you notice in the image that helped you?
  

6
Ten Minute Math Quick Images 2

• Show image for 3 seconds
• Write several different equations to find the
  total number of dots
• Try to look for groups of patterns in the image
• First View

7
Ten Minute Math Quick Images 2

• Take a couple of minutes to write down equations.
  
• You may find it helpful to draw the image, jot
  down information about what you saw or write
  equations.
• Second view

8
Ten Minute Math Quick Images 2

• You may want to revise your drawings, notes, or
  equations on the basis of the second viewing.
• After a few minutes, show the image again for the
  third time, but leave the image displayed.
• Would anyone like to explain how they saw the
  image (including any revisions they made)?
• How were you able to remember this image after
  seeing it briefly?
• What did you notice in the image that helped you?
  

9
Activity- Introducing Related Multiplication and
Division Problems

• 15 x 6 90 6
• Take a few minutes and solve these problems.
• Would anyone like to share strategies for how
  they solved each one?
• What do you notice about the numbers in these two
  problems?
• How could you represent these problems with cubes
  of grid paper?
• Using connecting cubes or grid paper, work as a
  class to construct a representation for 15 x 16.
• Where is the 15 in this representation?
• What does 15 mean? Where is the 6?
• What does 6 mean?
• Where do you see the product of 15 x 16?
• Can our cube representation also show 90 6?
• How?

10
Related Multiplication and Division
ProblemsSolve each of the problems for a b.
For part c, you must explain what is the same or
different about the related problems.
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Spiral Assessment 8
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Math Menu

• Play Missing Factor
• Multiplication Migration