Multiplying Whole Numbers by Fractions with Models

What is the primary focus of this video?

• Dividing fractions by whole numbers

• Multiplying fractions by whole numbers

• Adding fractions

• Subtracting whole numbers

How many rectangles are used to model 4 times two-thirds?

• Six

• Five

• Four

• Three

What is the improper fraction result of 4 times two-thirds?

• 8/3

• 6/3

• 7/3

• 9/4

What mixed number does 8/3 convert to?

• 2 2/3

• 2 1/3

• 3 1/3

• 3 2/3

Which method can be used to find the mixed number of an improper fraction?

• Multiplication

• Addition

• Division

• Subtraction

How many groups of three-fifths are modeled in the second example?

• Three

• Two

• Four

• Five

What is the improper fraction result of 3 times three-fifths?

• 7/5

• 9/5

• 8/5

• 10/5

What mixed number does 9/5 convert to?

• 2 1/5

• 1 4/5

• 1 3/5

• 1 2/5

How can you rearrange the model to visualize the mixed number 1 and 4/5?

• Combine all fifths into one

• Divide the fifths equally

• Remove one-fifth from the model

• Shift two-fifths up

What is the purpose of shifting pieces in the model?

• To demonstrate subtraction

• To simplify the fraction

• To create a new fraction

• To convert to a mixed number