Checking Division of Fractions Using the Inverse Relationship of Multiplication and Division

This video tutorial teaches how to check answers when dividing fractions by understanding the inverse relationship between multiplication and division. It covers fact families, using multiplication to verify division, common mistakes, and solving division problems with fractions and mixed numbers. The tutorial emphasizes the importance of understanding the relationship between multiplication and division to avoid errors.

What is a fact family?

• A group of numbers that only use addition.

• A collection of numbers that are unrelated.

• A set of numbers that are related through multiplication and division.

• A group of numbers that are related through addition and subtraction.

How can multiplication be used to verify a division result?

• By adding the divisor to the quotient.

• By multiplying the quotient by the divisor to see if it equals the dividend.

• By dividing the dividend by the quotient.

• By subtracting the divisor from the dividend.

What is a common mistake when dealing with multiplication and division?

• Not subtracting the numbers.

• Ignoring the inverse relationship between multiplication and division.

• Forgetting to add the numbers.

• Using only whole numbers.

In the problem 3/4 divided by 2/8, how many sets of 2/8 are in 3/4?

• Four sets

• Three sets

• Five sets

• Two sets

What is the result of 1/2 divided by 5/8?

• 1/2

• 4/5

• 3/4

• 2/3