Understanding Number Line Scales

The video tutorial explains how to identify whole numbers on a number line by understanding the scale used. It provides three examples: dividing a number line from 0 to 1000 into four parts to find 750, dividing from 5900 to 6000 into five parts to find 5960, and dividing from 10950 to 10970 into four parts to find 10965. Each example demonstrates how to calculate the value of each tick mark and identify the plotted number.

What is the first step in identifying a whole number on a number line?

• Identifying the scale used

• Counting the tick marks

• Calculating the total length

• Finding the midpoint

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CCSS.2.MD.B.6

How many equal parts is the number line from 0 to 1000 divided into?

• Two

• Three

• Four

• Five

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CCSS.2.MD.B.6

What does each tick mark represent on the number line from 0 to 1000?

• 500

• 250

• 200

• 100

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CCSS.2.MD.B.6

Which whole number is represented by the point on the number line from 0 to 1000?

• 1000

• 1250

• 750

• 500

How many equal parts is the number line from 5900 to 6000 divided into?

• Three

• Four

• Five

• Six

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CCSS.5.MD.B.2

What does each tick mark represent on the number line from 5900 to 6000?

• 10

• 20

• 25

• 50

Which number is plotted on the number line from 5900 to 6000?

• 5960

• 5980

• 5940

• 5920

How many equal parts is the number line from 10950 to 10970 divided into?

• Four

• Five

• Two

• Three

What does each tick mark represent on the number line from 10950 to 10970?

• 3

• 2

• 4

• 5

Which whole number is plotted on the number line from 10950 to 10970?

• 10955

• 10960

• 10965

• 10970