Understanding Division with Rods and Fractions

The video tutorial explains division using colored rods and extends the concept to dividing fractions by finding common denominators. It provides examples, including dividing one by one-half and two-thirds by one-ninth, and discusses more challenging cases with mixed numbers. The tutorial emphasizes the importance of common denominators in simplifying division problems.

How many groups of two red rods are in six red rods?

• One

• Two

• Three

• Four

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CCSS.4.NBT.B.6

CCSS.5.NBT.B.6

What is the result of dividing six white rods by two white rods?

• Four

• Two

• One

• Three

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

When dividing fractions, why is it useful to have a common denominator?

• It ensures the parts are the same size.

• It makes the fractions larger.

• It changes the fractions to whole numbers.

• It simplifies the addition process.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

What is the quotient of one divided by one-half?

• One

• Two

• Four

• Three

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CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

How many copies of one-ninth are in two-thirds?

• Five

• Three

• Four

• Six

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CCSS.6.NS.A.1

What is the result of one-ninth divided by one-third?

• One

• One-half

• Two-thirds

• One-third

How do you convert one and two-thirds into an improper fraction?

• Six-thirds

• Seven-thirds

• Four-thirds

• Five-thirds

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CCSS.6.NS.A.1

What is the quotient of ten-sixths divided by nine-sixths?

• Two

• One

• Ten-ninths

• Nine-tenths

What is the mixed number form of ten-ninths?

• One and one-ninth

• One and two-ninths

• Two and two-ninths

• Two and one-ninth

Tags

CCSS.5.NF.B.5B

Why is finding a common denominator helpful in dividing fractions?

• It ensures the parts are the same size.

• It changes the fractions to decimals.

• It simplifies the multiplication process.

• It makes the fractions equal.

Tags

CCSS.5.NF.B.5B