Finding Reciprocals of Numbers and Expressions

This video tutorial explains how to find the reciprocal of whole numbers, fractions, and mixed numbers. It begins with a basic introduction to reciprocals, followed by detailed steps and examples for each type of number. The video also covers converting mixed numbers into improper fractions before finding their reciprocals. Additionally, it includes a section on finding reciprocals of algebraic expressions by flipping the fraction.

What is the reciprocal of the whole number 5?

• 5/1

• 0.5

• 1/5

• 5

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

If you have the whole number 9, what is its reciprocal?

• 9

• 1/9

• 0.9

• 9/1

How do you find the reciprocal of the fraction 2/3?

• 2/3

• 1/3

• 1/2

• 3/2

What is the reciprocal of the fraction 5/7?

• 7/5

• 1/5

• 5/7

• 1/7

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

To find the reciprocal of 3 2/5, what is the first step?

• Convert to improper fraction

• Multiply by 5

• Add 2

• Flip the fraction

What is the reciprocal of the mixed number 4 3/7?

• 7/31

• 3/4

• 31/7

• 4/7

How do you convert 5 7/8 into an improper fraction?

• 7/5

• 47/8

• 8/47

• 5/8

What is the reciprocal of 9 4/5?

• 5/49

• 49/5

• 9/5

• 4/9

Tags

CCSS.HSA.APR.D.6

What is the reciprocal of the expression (a+b)/(c-d)?

• (a-b)/(c+d)

• (a+b)/(c-d)

• (c+d)/(a-b)

• (c-d)/(a+b)

Tags

CCSS.HSA.APR.D.6

When finding the reciprocal of an algebraic expression, what is the key step?

• Flip the fraction

• Multiply by 2

• Add the terms

• Subtract the terms

Tags

CCSS.HSA.APR.D.6