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Lesson Plans and Worksheets for Grade 3

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Common Core For Grade 3

Videos, examples, solutions, and lessons to help Grade 3 students learn how to use the distributive property as a strategy to multiply and divide.

Common Core Standards: 3.OA.3, 3.OA.4, 3.OA.5, 3.OA.7, 3.OA.1, 3.OA.2, 3.OA.6, 3.OA.8

New York State Common Core Math Module 3, Grade 3, Lesson 10

Application Problem

Use the 5 plus something break apart and distribute strategy to solve 6 × 8. Model with a tape diagram.

Note: This problem reviews modeling the break apart and distribute strategy using a tape diagram from Lesson 6. Until today’s lesson students have learned to break apart the first factor and distribute the second factor. Today’s Concept Development reverses the order using the fact in this Application Problem.

Concept Development

Problem 1: Multiply.

Problem 2: Divide.
Use the break apart and distribute strategy to solve 6 × 8.

6 × 8 = 6 × (5 + 3) Use the break apart and distribute strategy to solve 64 ÷ 8.

64 ÷ 8 = (40 ÷ 8) + 24 ÷ 8

Lesson 10 Homework

1. Label the array. Then fill in the blanks to make the statements true.

a) 8 × 7 = 7 × 8 =_____

8 × 7 = 7 × (5 + _____)

= (7 × 5) + (7 × ____)

= __ 35_ + ______

= ______

2. Break apart and distribute to solve

72 ÷ 8.

72 ÷ 8 = (40 ÷ 8) + (_____÷ 8)

= 5 + ________

= ________

3. Count by 8. Then match each multiplication problem with its value.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

Lesson Plans and Worksheets for Grade 3

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 3

Common Core For Grade 3

Common Core Standards: 3.OA.3, 3.OA.4, 3.OA.5, 3.OA.7, 3.OA.1, 3.OA.2, 3.OA.6, 3.OA.8

New York State Common Core Math Module 3, Grade 3, Lesson 10

Application Problem

Use the 5 plus something break apart and distribute strategy to solve 6 × 8. Model with a tape diagram.

Note: This problem reviews modeling the break apart and distribute strategy using a tape diagram from Lesson 6. Until today’s lesson students have learned to break apart the first factor and distribute the second factor. Today’s Concept Development reverses the order using the fact in this Application Problem.

Concept Development

Problem 1: Multiply.

Problem 2: Divide.

6 × 8 = 6 × (5 + 3) Use the break apart and distribute strategy to solve 64 ÷ 8.

64 ÷ 8 = (40 ÷ 8) + 24 ÷ 8

1. Label the array. Then fill in the blanks to make the statements true.

a) 8 × 7 = 7 × 8 =_____

8 × 7 = 7 × (5 + _____)

= (7 × 5) + (7 × ____)

= __ 35_ + ______

= ______

2. Break apart and distribute to solve

72 ÷ 8.

72 ÷ 8 = (40 ÷ 8) + (_____÷ 8)

= 5 + ________

= ________

3. Count by 8. Then match each multiplication problem with its value.

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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