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# Partial Products Multiplication - PowerPoint PPT Presentation

Partial Products Multiplication. Step by Step. 742 * 29. Expand each number. 742=700+40+2. 742 * 29. Expand each number . 742=700+40+2. 29 = 20+9. 742 * 29. Multiply 700 * 20. 742= 700 +40+2. 29 = 20 +9. 700 * 20 = 14000. 742 * 29. Multiply 700 * 9. 742= 700 +40+2. 29 = 20+ 9.

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### Partial ProductsMultiplication

Step by Step

Expand each number.

742=700+40+2

Expand each number.

742=700+40+2

29 = 20+9

Multiply 700 * 20.

742=700+40+2

29 = 20+9

700 * 20 = 14000

Multiply 700 * 9.

742=700+40+2

29 = 20+9

700 * 20 = 14000

700 * 9 = 6300

Multiply 40 * 20.

742=700+40+2

29 = 20+9

700 * 20 = 14000

700 * 9 = 6300

40 * 20 = 800

Multiply 40 * 9.

742=700+40+2

29 = 20+9

700 * 20 = 14000

700 * 9 = 6300

40 * 20 = 800

40 * 9 = 360

Multiply 2 * 20.

742=700+40+2

29 = 20+9

700 * 20 = 14000

700 * 9 = 6300

40 * 20 = 800

40 * 9 = 360

2 * 20 = 40

Multiply 2 * 9.

742=700+40+2

29 = 20+9

700 * 20 = 14000

700 * 9 = 6300

40 * 20 = 800

40 * 9 = 360

2 * 20 = 40

2 * 9 = 18

Now, add all you products.

742=700+40+2

29 = 20+9

700 * 20 = 14000

700 * 9 = 6300

40 * 20 = 800

40 * 9 = 360

2 * 20 = 40

2 * 9 = +18

21,518

21,518

If your problem has decimals in it, just count the number of digits behind the decimal points in your problem and put that many digits behind the decimal in your answer.

If your problem has decimals in it, just count the number of digits behind the decimal points in your problem and put that many digits behind the decimal in your answer.

35.4 * 3.42 = 121068

If your problem has decimals in it, just count the number of digits behind the decimal points in your problem and put that many digits behind the decimal in your answer.

35.4 * 3.42 = 121068

Where do I put my decimal?

If your problem has decimals in it, just count the number of digits behind the decimal points in your problem and put that many digits behind the decimal in your answer.

35.4 * 3.42 = 121068

Where do I put my decimal?

I have 3 digits behind decimals in my problem..

35.4 * 3.42 = 121068

If your problem has decimals in it, just count the number of digits behind the decimal points in your problem and put that many digits behind the decimal in your answer.

35.4 * 3.42 = 121068

Where do I put my decimal?

I have 3 digits behind decimals in my problem..

35.4 * 3.42 = 121068

So I will have 3 digits behind the decimal in my answer!!!

35.4 * 3.42 = 121.068

Cool man!! I can’t believe it’s so easy!!!!!!!!!!!