Number opposites practice | Negative numbers | 6th grade | Khan Academy

TL;DR

This video from Khan Academy provides examples of number opposites, showing how they are represented on a number line.

Transcript

• [Voiceover] So let's do a couple of examples of the number opposites exercise on Khan Academy. Just to make sure that we've really digested what it means to be the opposite of a number. So they have a number line here, and then they've marked some of the numbers with letters. And this is A, B, C, D, E. And then they say, "What can we say about po... Read More

Key Insights

• #️⃣ The opposite of a number on a number line is found by changing the sign of the number and moving it to the opposite side of zero.
• 😥 The opposite of a point on a number line can be found by locating its position in relation to zero and finding the point with the same distance but in the opposite direction.
• 0️⃣ The opposite of zero is still zero because it is equidistant from both sides of the number line.
• #️⃣ The opposite of the opposite of a number is the original number.

Questions & Answers

Q: What does it mean for a number to be the opposite of another number?

The opposite of a number is a value that is the same distance from zero on the number line but in the opposite direction. It is represented as the negative of the original number.

Q: How do you determine the opposite of a number on a number line?

To find the opposite of a number on a number line, move the same distance from zero, but in the opposite direction. For example, the opposite of 3 is -3.

Q: How do you identify the opposite of a point on a number line?

To identify the opposite of a point on a number line, locate the point's position in relation to zero and find the point with the same distance from zero but in the opposite direction.

Q: What is the opposite of zero?

The opposite of zero is also zero. This is because zero is equidistant from both the positive and negative sides of the number line.

Summary & Key Takeaways

• The video demonstrates the concept of number opposites using a number line with labeled points.

• Point B is the opposite of point D, and point A is the opposite of point E.

• The statement that B is equal to negative B is false because the opposite of B is D.