Lesson 4-5 Example 1 2-5 Example 1 Find the product of 3 and 7 by using repeated addition. Then write the multiplication fact and its commutative fact.

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Presentation transcript:

Lesson 4-5 Example Example 1 Find the product of 3 and 7 by using repeated addition. Then write the multiplication fact and its commutative fact. 1.What is the first factor? 3 What is the second factor? 7

Lesson 4-5 Example Example 1 Find the product of 3 and 7 by using repeated addition. Then write the multiplication fact and its commutative fact. 2.Write an equation as repeated addition. Use the first factor as the number being added and the second factor as the number of times you add the number = 21

Lesson 4-5 Example Example 1 Find the product of 3 and 7 by using repeated addition. Then write the multiplication fact and its commutative fact. 3.Write the multiplication fact. 3 × 7 = 21

Lesson 4-5 Example Example 1 Find the product of 3 and 7 by using repeated addition. Then write the multiplication fact and its commutative fact. 4.Write the commutative fact. 7 × 3 = 21