Exploring Common Denominators in Math Antics

What is the term used for fractions that have the same bottom number?

• Improper fractions

• Like fractions

• Equivalent fractions

• Unlike fractions

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What do we need to use to change unlike fractions into like fractions?

• Mixed numbers

• Equivalent fractions

• Whole numbers

• Improper fractions

Tags

CCSS.5.NF.B.5B

What is the first method introduced to find a common denominator?

• Greatest common denominator

• Simplest common denominator

• Least common denominator

• Easiest common denominator

In the easiest common denominator method, what is the common denominator for 2/5 and 1/3?

• 10

• 20

• 8

• 15

What whole fraction do we multiply 2/5 by in the first example?

• 3/3

• 2/2

• 1/1

• 5/5

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

What is the result of adding 2/5 and 1/3 using the easiest common denominator method?

• 11/15

• 10/15

• 12/15

• 13/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the common denominator for the fractions 7/8 and 3/10?

• 100

• 70

• 80

• 90

What whole fraction do we multiply 7/8 by in the second example?

• 10/10

• 7/7

• 8/8

• 3/3

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

What is the result of adding 7/8 and 3/10 using the easiest common denominator method?

• 94/80

• 91/80

• 93/80

• 92/80

Tags

CCSS.7.NS.A.1C

What should you do to get better at adding and subtracting unlike fractions?

• Watch more videos

• Practice the exercises

• Read a book

• Ask a friend

Tags

CCSS.7.NS.A.1C