Warm Up 3. The table below shows how many pencils come in each package. Mrs. Davis needs to purchase 150 pencils. How many packages would she have to buy?

Warm Up

3. The table below shows how many pencils come in each package.

Mrs. Davis needs to purchase 150 pencils. How many packages would she have to buy?

4. There were 45,236 people at the air show on Saturday and 56,587 people at the air show on Sunday. How many more people went to the air show on Sunday?

1. 24 x 8

2. 99 ÷ 5 =

Number of

Packages

Number of Pencils

4 24

8 48

12 72

16 96

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Ten Minute Math Quick Images #1

Show image for 3 secondsWrite several different equations to find the total number of dotsTry to look for groups of patterns in the imageFirst View…


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…


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?


Show image for 3 secondsWrite several different equations to find the total number of dotsTry to look for groups of patterns in the imageFirst View…


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…


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?

DiscussionAllow students time to work in pairs, then

discuss the following:

What strategies did you use?

Why did you answer the question the way you did?

Does the remainder affect the answer in different ways?

How?

Use visual images or connecting cubes to represent fractions or decimals.

Missing Factor• This array card relates to the problem:

"Ms. Santos owns a neighborhood grocery store. She has 56 apples to arrange in rows for her window display. She has room for 4 rows in her window. How many apples will there be in each row if she puts the same number in each row?"

• The card tells us the total number of squares in the array, just as we knew the total number of apples that Ms. Santos had.

• The card also shows us one FACTOR, the same way we knew the number of rows in the apple problem. The other factor is missing, and that is like the information we need to find in the apple problem- the number of apples in each row.

• How can we solve for the missing factor?

564

Example Array Card

Missing Factor

• Create the Missing Factors Recording Sheet by copying page 29.

• Select one array from the cards you have displayed.

• Write both a multiplication equation and a division equation for the array, inserting a blank for the missing factor (7 x __ = 63 and 63 / __ = 7)

• Find the missing factor, and write it in the blank space in each equation.

• Circle the missing factor in each equation.

Math Workshop

• Complete EnVison p. 100 (9-27) – YOU MUST SHOW A T-CHART FOR EACH

PROBLEM!

• Play Missing Factor

Documents

Warm Up 3. The table below shows how many pencils come in each package. Mrs. Davis needs to purchase 150 pencils. How many packages would she have to buy?