Understanding Division with Fractions

The video tutorial explains how to divide fractions by converting the division into a multiplication problem. It demonstrates the process using examples, emphasizing the importance of rewriting the division as multiplication by the reciprocal. The tutorial also covers simplifying fractions using prime factorization and alternative methods, providing multiple examples to illustrate these techniques. The video aims to help learners understand the process of dividing fractions and simplifying the results effectively.

What is the first step when dividing by a fraction?

• Add the fractions

• Rewrite as a multiplication problem

• Subtract the fractions

• Convert to decimals

Tags

CCSS.6.NS.A.1

When dividing 2/3 by 5/2, what is the equivalent multiplication problem?

• 3/2 * 5/2

• 2/3 * 2/5

• 2/3 * 5/2

• 3/2 * 2/5

Tags

CCSS.6.NS.A.1

What is the prime factorization of 8?

• 4 * 2

• 3 * 3

• 2 * 3

• 2 * 2 * 2

How can you simplify the fraction 8/16?

• Divide both by 8

• Multiply both by 2

• Multiply both by 4

• Divide both by 4

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

What is the simplified form of 16/35 divided by 8?

• 2/35

• 4/35

• 8/35

• 16/35

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

What is the reciprocal of 8?

• 4/8

• 8/1

• 1/8

• 2/8

What is the prime factorization of 25?

• 5 * 5

• 2 * 2

• 5 * 2

• 3 * 3

Tags

CCSS.4.OA.B.4

How do you determine if 69 is divisible by 3?

• Check if it is a prime number

• Check if it is an even number

• Check if it ends in 0

• Check if the sum of digits is divisible by 3

Tags

CCSS.7.NS.A.2B

What is the simplified result of 25/46 divided by 40/69?

• 25/69

• 16/15

• 15/16

• 46/40

Tags

CCSS.7.NS.A.2B

What is the prime factorization of 40?

• 2 * 2 * 2 * 5

• 2 * 3 * 5

• 3 * 3 * 5

• 2 * 2 * 3