Dividing by 0, 1, 2, 3, 4, and 5

Mr. Added introduces division as the inverse of multiplication, emphasizing the concept of fact families. He explains how division separates numbers into equal groups, contrasting it with multiplication's combining of groups. The video covers division facts for numbers zero through five, using strategies like halving and skip counting. Mr. Added also highlights the importance of practice and provides tips for remembering division facts.

What is the relationship between multiplication and division?

• Division is the inverse of multiplication.

• They are unrelated operations.

• Multiplication is the inverse of division.

• They are both used to add numbers.

How can you use a fact table to solve 4 * 5?

• Slide over to 5 and down to 4 to find the quotient.

• Slide over to 4 and down to 5 to find the product.

• Slide over to 5 and down to 4 to find the product.

• Slide over to 4 and down to 5 to find the quotient.

What is the result of dividing any number by 1?

• The result is always 0.

• The result is always 1.

• The result is the number itself.

• The result is double the number.

What is the rule for dividing by 0?

• The result is always 0.

• The result is undefined.

• The result is double the number.

• The result is the number itself.

How do you solve 15 / 3 using skip counting?

• Count by 5s until you reach 15.

• Count by 4s until you reach 15.

• Count by 2s until you reach 15.

• Count by 3s until you reach 15.

What is a hint for identifying if a number is divisible by 5?

• The number is a multiple of 3.

• The number ends in 0 or 5.

• The number is even.

• The number is odd.

If 9 * 5 = 45, what is 45 / 5?

• 0

• 45

• 9

• 5