Exploring Multiplication and Division of Rational Numbers

The video tutorial explores the concept of finding half of a number using different mathematical methods, such as multiplication and division. It introduces the idea of reciprocals and demonstrates how dividing by a fraction is equivalent to multiplying by its reciprocal. Through practical examples, the video illustrates how these concepts can be applied in real-world scenarios, reinforcing the understanding of mathematical operations and their properties.

What is half of 50?

• 20

• 25

• 35

• 30

Tags

CCSS.5.NF.B.4A

Which mathematical operation does 'of' represent?

• Division

• Multiplication

• Subtraction

• Addition

Tags

CCSS.4.NBT.B.6

What is another way to find half of 50 besides multiplication?

• Addition

• Subtraction

• Division

• Exponentiation

Tags

CCSS.4.NBT.B.6

What is the result of 50 divided by 2?

• 20

• 24

• 25

• 22

Tags

CCSS.5.NBT.B.7

Multiplying by 1/2 is the same as:

• Dividing by 2

• Multiplying by 2

• Dividing by 1

• Multiplying by 1

Tags

CCSS.6.NS.A.1

Dividing by a fraction is the same as multiplying by its:

• Reciprocal

• Inverse

• Double

• Square

What is 6 divided by 2/3 equivalent to?

• 6 divided by 2/3

• 6 times 2/3

• 6 times 3/2

• 6 divided by 3/2

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

How many times does 2/3 fit into 6?

• 10

• 11

• 9

• 8

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

How many times does 1/2 fit into 8?

• 17

• 14

• 15

• 16

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

What is 8 divided by 1/2 equivalent to?

• 8 divided by 1/2

• 8 divided by 2

• 8 times 2

• 8 times 1/2

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C