Multiplying Whole Numbers by Mixed Numbers: The Break it Apart Strategy

The video tutorial teaches how to multiply whole numbers by mixed numbers using the break it apart strategy. It begins with a review of multiplying whole numbers by fractions using repeated addition. Then, it introduces the concept of multiplying whole numbers by mixed numbers through examples involving oranges and cookies. The break it apart strategy is explained and applied to solve these problems efficiently.

Explain how to multiply a whole number by a mixed number using the break apart strategy.

What is the product of 4 and 2 1/2 using repeated addition?

How can you represent the multiplication of 4 and 2 1/2 using a bar model?

Describe the steps to solve 4 * 1 3/4 using the break apart strategy.

What does Darlene need to do to find out how many cups of sugar she needs for four batches of cookies?

How do you add the results of 4 * 1 and 4 * 3/4 to find the total amount of sugar needed?

What is the final total of oranges Esther has after multiplying 4 by 2 1/2?