Mastering Multiplication of Whole Numbers

This video tutorial covers the basics of multiplying whole numbers, including the concept of multiplication as groups and scaling. It explains the commutative property, demonstrating that the order of factors does not affect the product. The tutorial also introduces multiplication tables as a helpful tool and provides several example problems to illustrate the process. Finally, it applies multiplication to a real-world word problem, showing practical use of the concept.

What does three times two represent in terms of groups?

• Three groups of two

• Two groups of three

• Two groups of two

• Three groups of three

What is the product of three times two?

• Eight

• Five

• Six

• Seven

What are the numbers being multiplied together called?

• Products

• Factors

• Multiples

• Divisors

What does the commutative property of multiplication state?

• The product remains the same when the order of multiplication changes

• The product changes when the order of multiplication changes

• The product is always zero

• The product is always one

What is the product of any number and zero?

• Zero

• Infinity

• One

• The number itself

How do you find the product of seven and six using the multiplication table?

• By adding seven and six

• By dividing seven by six

• By finding the intersection of the row for seven and the column for six

• By subtracting six from seven

What is the product of 43 and six?

• 278

• 268

• 258

• 248

When multiplying 21 by 32, why do you add a zero in the ones column when multiplying by the tens place?

• To account for the place value

• To make the multiplication easier

• To simplify the addition

• To avoid errors

What is the product of 27 and 3,425?

• 93,475

• 95,475

• 92,475

• 94,475

If you buy lunch for yourself and five friends at $4 each, how much money will you have left from $30?

• $4

• $5

• $6

• $7