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Multiplication Facts

5 x 7 35

2 x 5 10

6 x 2 12

- By Mushooda Mehmood

ECE 8814 / 01

Contents

- QCC Standards
- Zeros Pattern
- Ones Pattern
- Twos Pattern
- Fives Pattern
- Tens Pattern
- Real Life Applications Build a Garden
- External Links
- Scanned Picture

QCC Standards

- Standard 43

- Standard 42

- Standard 45

Multiplication Factsare easiest to learn when...

- You can find patterns.
- You can use songs.
- You can use stories.
- You can relate them to what you already know.

Zeros Pattern0 times any number is 0

- 0 x 2 0
- 0 x 3 0
- 0 x 8 0
- 0 x 1 0
- 0 x 0 0
- 0 x 4 0

What is

0 x 9

0

Ones Pattern1 times

any number is equal to the number

- 1 x 5 5
- 1 x 7 7
- 1 x 6 6
- 1 x 1 1
- 1 x 8 8
- 1 x 9 9

What is

1 x 5

5

Twos

PatternMultiplying any number by 2 is the same

as doubling the number.

- 2 x 3 6
- 2 x 7 14
- 2 x 4 8
- 2 x 1 2
- 2 x 2 4
- 2 x 9 18

What is

2 x 5

10

Fives Pattern

Step 1Cut the number you are

multiplying in half

- 5 x 3 1.5
- 5 x 7 3.5
- 5 x 8 4
- 5 x 1 .5
- 5 x 2 1
- 5 x 6 3

Fives Pattern

Step 2 If you are

multiplying an odd number, drop the decimal point

1

.

5

- 5 x 3
- 5 x 7
- 5 x 5
- 5 x 1
- 5 x 9

.

3

5

2

.

5

.

5

4

.

5

What is

5

5 x 7

3

What is

5

5 x 3

1

What is

5

5 x 9

4

What is

5

5 x 5

2

Fives Pattern

Step 3 If you are multiplying

an even number, just add a zero

1

0

- 5 x 2
- 5 x 6
- 5 x 4
- 5 x 8
- 5 x 10

3

0

2

0

0

4

5

0

What is

0

5 x 8

4

What is

0

5 x 6

3

What is

0

5 x 4

2

What is

0

5 x 2

1

Nines Pattern

Step 1Subtract 1

from number you are multiplying

- 9 x 3 2
- 9 x 7 6
- 9 x 8 7
- 9 x 1 0
- 9 x 2 1
- 9 x 6 5

Nines Pattern

Step 2Add a 2nd

number that totals nine with the 1st number

9

7

- 9 x 3 2
- 9 x 7 6
- 9 x 8 7
- 9 x 1 0
- 9 x 2 1
- 9 x 6 5

- 9 x 3 27
- 9 x 7 63
- 9 x 8 72
- 9 x 1 9
- 9 x 2 18
- 9 x 6 54

3

9

9

2

9

9

8

9

4

9

What is

3

9 x 7

6

What is

2

9 x 8

7

What is

1

9 x 9

8

What is

4

9 x 6

5

What is

5

9 x 5

4

What is

7

9 x 3

2

What is

6

9 x 4

3

What is

8

9 x 2

1

Tens PatternAdd a zero to

the number that you are multiplying by ten

20

- 10 x 2
- 10 x 4
- 10 x 6
- 10 x 8

40

60

80

What is

0

10 x 6

6

What is

0

10 x 2

2

Real Life Applications

Congratulations!!!

You have been selected to build a Garden!

The town council of Stone Mountain decides to

beautify the town.

They build square flower beds of different sizes

and surround them with square tiles.

Take a look.

1 by 1 bed

2 by 2 bed

3 by 3 bed

What is the area of the 1 by 1 bed excluding the

tiles?

1 x 1 1

What is the area of the 1 by 1 bed including the

tiles?

3 x 3 9

Similarly, work out

.the area of the 2 by 2 bed excluding the tiles.

2 x 2 4

the area of the 2 by 2 bed including the tiles.

4 x 4 16

Now, the 3 by 3 flower bed.

area excluding the tiles ?

3 x 3 9

area including the tiles ?

5 x 5 25

Represent your answers by using a bar graph.

Represent your answers by using a pie chart.

Flower bed

? x ? ? x ?

1 x 1 3 x 3

2 x 2 4 x 4

3 x 3 5 x 5

Flower bed with tiles

Let's summarize

Interesting Pattern!

External links

- Video Clip Multiplication of signed numbers
- Multiplication Worksheets
- Multiplication Practice

Fun Stuff !!

UH!! Shouldnt you be doing your homework!!??!!

Practice the Times Tables

Interactive Flash Cards - Play by yourself or

with a partner.

Hidden Picture

Solve the multiplication problems to reveal a

hidden picture.

Standard 43

Relates concrete and pictorial models to

multiplication and division.

Standard 45

Determines basic multiplication facts through 9 x

9.

Standard 42

Multiplies whole numbers by one digit numbers.

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For a small fee you can get the industry's best online privacy or publicly promote your presentations and slide shows with top rankings. But aside from that it's free. We'll even convert your presentations and slide shows into the universal Flash format with all their original multimedia glory, including animation, 2D and 3D transition effects, embedded music or other audio, or even video embedded in slides. All for free. Most of the presentations and slideshows on PowerShow.com are free to view, many are even free to download. (You can choose whether to allow people to download your original PowerPoint presentations and photo slideshows for a fee or free or not at all.) Check out PowerShow.com today - for FREE. There is truly something for everyone!

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