Exploring Reciprocals in Fractions and Mixed Numbers

This video tutorial introduces the concept of reciprocals, explaining that a number and its reciprocal multiply to one. It demonstrates how to find reciprocals for fractions, whole numbers, and mixed numbers by switching numerators and denominators. The lesson includes examples and practice problems to reinforce understanding, concluding with a summary of the key points.

What is the product of a number and its reciprocal?

• The number itself

• The reciprocal itself

• 1

• 0

How do you find the reciprocal of the fraction 7/8?

• 1/7

• 7/8

• 1/8

• 8/7

What is the reciprocal of the whole number 2?

• 2

• 1/2

• 1

• 1/1

How do you find the reciprocal of a whole number?

• Switch the numerator and denominator

• Multiply by 2

• Add 1 to the number

• Divide by 2

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the first step in finding the reciprocal of a mixed number?

• Convert it to an improper fraction

• Switch the numerator and denominator

• Divide by 2

• Multiply by 2

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the reciprocal of 6 and 3/5?

• 5/33

• 33/5

• 6/5

• 5/6

What is the reciprocal of 3/7?

• 3/7

• 7/3

• 1/3

• 1/7

What is the reciprocal of 1/18?

• 18/1

• 18/18

• 1/18

• 1/1

What is the reciprocal of 4 and 3/4?

• 4/19

• 19/4

• 3/4

• 4/3

What should you do after converting a mixed number to an improper fraction to find its reciprocal?

• Multiply by 2

• Switch the numerator and denominator

• Add 1 to the number

• Divide by 2