Adding and Subtracting Rational Expressions

The video begins with an introduction to chicken terminology, explaining the terms for mature and immature chickens. It then transitions to a mathematical topic, defining rational numbers as numbers that can be expressed as fractions. The video demonstrates how to simplify expressions using properties of rational numbers, such as identifying additive inverses to achieve zero. It concludes with solving more complex problems, applying strategies to simplify and solve expressions effectively.

What is a mature male chicken called?

• Hen

• Rooster

• Chick

• Pullet

What is an immature female chicken called?

• Hen

• Pullet

• Rooster

• Chick

Which of the following is a rational number?

• π

• √2

• 3/4

• e

What do you get when you add a number to its additive inverse?

• The same number

• One

• Negative of the number

• Zero

Tags

CCSS.7.NS.A.1B

What is the result of subtracting a number from itself?

• Negative of the number

• One

• Zero

• The same number

Tags

CCSS.7.NS.A.1C

In the expression 4 - 4 + 4, what is the result?

• 12

• 8

• 0

• 4

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What is the result of 8 - 3 and 3/4?

• 4 and 1/4

• 4

• 3 and 1/4

• 5

Tags

CCSS.7.NS.A.1C

Which of the following pairs of numbers add up to zero?

• 3/4 and 1/4

• 8 and -3

• 6 and 6

• 1/4 and -1/4

Tags

CCSS.7.NS.A.1B