Question Video: Rounding a Decimal Number on the Number Line | Nagwa Question Video: Rounding a Decimal Number on the Number Line | Nagwa

Question Video: Rounding a Decimal Number on the Number Line

Which of the following is the nearest to 6.19 on the number line? [A] 6.1 [B] 6.2 [C] 6.4 [D] 6.

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Video Transcript

Which of the following is the nearest to 6.19 on the number line?

The first thing we can do is sketch a number line. Here’s a number line from six to seven. 6.19 is almost 6.2. So we’ll put it here. From there, we can look at our four answer choices and plot those on this number line. Here are our options: a) 6.1, b) 6.2, c) 6.4, or d) six.

Let’s start with a: 6.1. That would go on the first dash mark after six. b: 6.2 would go on the second dash mark after six right there. c is 6.4 goes on the fourth dash, c. And finally, d is six. d would fall here.

Now, we need to see which one falls closest to 6.19. It wouldn’t be d. It wouldn’t be c. It’s between a and b. But 6.19 is closer to 6.2 than it is to 6.1. By graphing the number line, we can visually see that 6.19 is nearest to 6.2 on the number line.

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