Exploring Rational Numbers on a Number Line

Mr. Buffington from Simplify Academy introduces rational numbers and their representation on number lines. The video covers whole numbers, integers, and rational numbers, explaining their differences and providing examples. It also discusses horizontal and vertical number lines, how to label points, and the concept of scale on number lines. The lesson aims to help students understand and practice using number lines with various types of numbers.

Which of the following is a whole number?

• -3

• 0.5

• 4

• -1

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CCSS.6.NS.C.6A

What is the opposite of the integer 5?

• -5

• 0

• -1

• 5

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CCSS.6.NS.C.5

Which of the following is a rational number?

• π

• √2

• 1/2

• e

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CCSS.7.NS.A.2D

CCSS.8.NS.A.1

What is the value of the rational number -3/4?

• -1.25

• 1.25

• -0.75

• 0.75

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CCSS.6.NS.C.6C

On a horizontal number line, which direction indicates increasing values?

• Downwards

• Upwards

• Right to left

• Left to right

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CCSS.6.NS.C.6C

What is the origin on a number line?

• The point at 0

• The point at 1

• The point at 10

• The point at -1

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CCSS.6.NS.C.6C

What is the value of the point halfway between 0 and -1 on a vertical number line?

• -0.5

• 1.5

• -1.5

• 0.5

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CCSS.6.NS.C.6C

Where would you place the point 1.5 on a number line?

• Between 0 and 1

• Between 1 and 2

• Between 2 and 3

• Between -1 and 0

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CCSS.2.MD.B.6

If each dash on a number line represents 5 units, what is the value of the point between 10 and 20?

• 18

• 25

• 15

• 12

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CCSS.6.NS.C.6C

On a vertical number line, which direction indicates decreasing values?

• Upwards

• Downwards

• Left to right

• Right to left

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CCSS.6.NS.C.6C