Seek the multiplication treasure
Download
1 / 14

Seek The Multiplication Treasure - PowerPoint PPT Presentation


  • 113 Views
  • Uploaded on

Seek The Multiplication Treasure. 2009-2010. Copy this problem. Multiply the factors in the top row by the digit in the ones place in the second factor. 1. 342 x 23. 3 4 2 x 3. 10. 2. 6. Since 4 • 3=12 Carry the 1 and write down the 2. Multiply 4 • 3. Multiply 3 • 2.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Seek The Multiplication Treasure' - kina


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
Seek the multiplication treasure

Seek The Multiplication Treasure

2009-2010


Seek the multiplication treasure
Copy this problem. Multiply the factors in the top row by the digit in the ones place in the second factor.

1

342

x 23

3 4 2

x 3

10

2

6

Since 4 • 3=12 Carry the 1 and write down the 2

Multiply 4 • 3

Multiply 3 • 2

Multiply 3 • 3 + 1


Seek the multiplication treasure

Now you will multiply the top factor by the tens digit in the second factor. In this problem, you multiply by the 2 in the tens place or 20.

342

x 23

3 4 2

x 3

2

10

2

6


Seek the multiplication treasure

Since the 2 actually represents 2 tens or 20, we will want to put a zero in the ones place in the second row of our work before we multiply anything else.

342

x 23

3 4 2

x 3

2

10

2

6

0


Seek the multiplication treasure
Multiply the 2 times every digit in the top factor and write the answer in the second row below the line.

342

x 23

3 4 2

x 3

2

10

2

6

6

8

4

0


To check to see if you are ready to add count the number of digits in the second factor

There are two digits in the second factor. the answer in the second row below the line.

To check to see if you are ready to add, count the number of digits in the second factor.

342

x 23

3 4 2

x 3

2

10

2

6

6

8

4

0


Seek the multiplication treasure

There are two digits in the second factor. the answer in the second row below the line.

one

two

Since there are two digits in the second factor there should be two rows of numbers to add to get the product.

342

x 23

3 4 2

x 3

2

10

2

6

6

8

4

0


Seek the multiplication treasure

There are two digits in the second factor. the answer in the second row below the line.

one

two

+

Since the number of digits matches the number of rows, we now add the rows together to get the product of the original problem.

342

x 23

3 4 2

x 3

2

10

2

6

6

8

4

0


Seek the multiplication treasure

+ the answer in the second row below the line.

Since the number of digits matches the number of rows, we now add the rows together to get the product of the original problem.

342

x 23

3 4 2

x 3

2

10

2

6

6

8

4

0

7

8

6

6



Work the following problem following the steps used in the previous problem1

+ previous problem.

Work the following problem following the steps used in the previous problem.

1

914

x 48

7312

3656

0

43,872


Work the following problem following the steps used in the previous problem2

+ previous problem.

Work the following problem following the steps used in the previous problem.

5

5

6

6

767

x 89

6903

6136

0

68,263


Seek the multiplication treasure

Are you up to the adventure of finding the multiplication treasure? Remember X (multiplication) marks the spot!


Seek the multiplication treasure

Choose from the following problems, at least two from each column. Solve them on Multiplication Graph Paper and pass in to your teacher. (Don’t forget to write your name on your paper.)

  • 32 X 26

  • 28 X 18

  • 46 X 22

  • 53 X 34

  • 125 X 23

  • 532 X 16

  • 208 X 58

  • 246 X 31

  • 53 X 344

  • 2,125 X 24

To Review the Demonstration again, click on the Treasure Chest.