Partial Products in Multiplication

The video tutorial explains how to multiply 84 and 27 using partial products. It begins by breaking down the numbers into smaller components, then calculates each partial product using multiplication tricks, and finally sums these partial products to arrive at the final product of 2,268.

What method is being used to multiply 84 and 27?

• Subtraction

• Addition

• Partial products

• Long division

How is the number 84 broken down for multiplication?

• 50 + 34

• 80 + 4

• 70 + 14

• 60 + 24

What is the first partial product calculated?

• 4 * 7

• 80 * 20

• 4 * 20

• 7 * 80

What trick is used when multiplying numbers with zeros?

• Subtract the zeros

• Ignore the zeros

• Add zeros at the beginning

• Count the zeros and add them to the end

What is the second partial product calculated?

• 4 * 20

• 4 * 7

• 80 * 20

• 7 * 80

Why is the placement of zeros important in multiplication?

• Zeros can be placed anywhere

• Zeros should be in the middle

• Zeros should be at the beginning

• Zeros should be at the end of the factor

What is the partial product of 4 * 20?

• 60

• 70

• 80

• 90

What is the final step to find the product of 84 and 27?

• Multiply all partial products

• Add all partial products

• Divide all partial products

• Subtract all partial products

What is the final product of multiplying 84 and 27?

• 2,468

• 2,168

• 2,368

• 2,268