Understanding Fractions on a Number Line

The video tutorial explains how to plot fractions 2/3, -2/3, 7/3, and -9/3 on a number line. It demonstrates dividing each unit into thirds to accurately place these fractions. The tutorial also covers converting improper fractions like 7/3 and -9/3 into mixed numbers, explaining the concept of improper fractions and their conversion process.

What is the first step in plotting fractions on a number line?

• Identify the denominator

• Identify the numerator

• Convert to a mixed number

• Multiply the fractions

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Why do we divide the number line into equal parts?

• To make calculations easier

• To match the denominator

• To match the numerator

• To make it look neat

Tags

CCSS.3.NF.A.2B

CCSS.3.NF.A.1

Where is the fraction 2/3 located on the number line?

• At 0

• 2/3 to the right of 0

• At 1

• 2/3 to the left of 0

Tags

CCSS.3.NF.A.2B

CCSS.3.NF.A.1

How can we view the fraction -2/3?

• As 2 copies of 1/3

• As 2 copies of -1/3

• As 3 copies of 1/3

• As 3 copies of -1/3

What is the mixed number for the improper fraction 7/3?

• 2 1/3

• 3 1/3

• 2 2/3

• 3 2/3

What is the equivalent whole number for the fraction -9/3?

• -3

• -2

• -4

• -1

Tags

CCSS.3.NF.A.2B

CCSS.3.NF.A.1

What defines an improper fraction?

• Denominator is greater than the numerator

• Numerator is greater than or equal to the denominator

• Numerator is equal to the denominator

• Numerator is less than the denominator

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

Which of the following is an improper fraction?

• -2/3

• 2/3

• 7/3

• 1/3

How do you convert 7/3 to a mixed number?

• Add 3 to 7 and write the result as a fraction

• Subtract 3 from 7 and write the result as a fraction

• Multiply 7 by 3 and write the result as a fraction

• Divide 7 by 3 and write the remainder as a fraction

What is the mixed number representation of 7/3?

• 3 1/3

• 2 1/3

• 1 1/3

• 4 1/3