Exploring Common Denominators and Equivalent Fractions

This video tutorial by Mr. Water covers the topic of common denominators and equivalent fractions, focusing on lesson 6.5 of the Go Math program. The video explains how to rewrite fractions with a common denominator using various methods, including common multiples, least common denominators, and prime factors. Through examples and engaging explanations, the video aims to help students understand the concept of equivalent fractions and the importance of finding common denominators in mathematical operations.

What is the essential question of the lesson?

• How can you simplify fractions?

• What is the difference between fractions and decimals?

• How can you rewrite a pair of fractions so that they have a common denominator?

• How can you find the greatest common factor?

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B

How many sections will each garden have after being divided equally?

• 12

• 16

• 8

• 6

Tags

CCSS.2.OA.C.3

What is the common denominator of 1/3 and 1/4?

• 10

• 8

• 12

• 6

What is the first common multiple of 3 and 4?

• 12

• 9

• 15

• 6

What is the least common denominator of 3/4 and 1/6?

• 6

• 12

• 8

• 10

How do you find the least common denominator of two fractions?

• By finding the least common multiple of the denominators

• By dividing the denominators

• By subtracting the denominators

• By adding the denominators

What are the prime factors of 8?

• 3 x 3

• 2 x 3

• 2 x 2 x 3

• 2 x 2 x 2

What is the common denominator of 5/8 and 7/20?

• 30

• 40

• 50

• 20

What is the equivalent fraction of 5/8 with a denominator of 40?

• 30/40

• 20/40

• 25/40

• 15/40

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the equivalent fraction of 7/20 with a denominator of 40?

• 14/40

• 21/40

• 28/40

• 35/40

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1