4 th grade division lesson 1. todays big idea is multiplication and division are inverse operations...

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4 th Grade Division Lesson 1

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Page 1: 4 th Grade Division Lesson 1. Todays big idea is Multiplication and division are inverse operations and both can be represented using rectangular arrays

4th Grade Division

Lesson 1

Page 2: 4 th Grade Division Lesson 1. Todays big idea is Multiplication and division are inverse operations and both can be represented using rectangular arrays
Page 3: 4 th Grade Division Lesson 1. Todays big idea is Multiplication and division are inverse operations and both can be represented using rectangular arrays

Today’s big idea is “Multiplication and division are inverse operations and both can be represented using rectangular arrays or equal groups.”

Today you are going to look for evidence to prove the big idea.

Page 4: 4 th Grade Division Lesson 1. Todays big idea is Multiplication and division are inverse operations and both can be represented using rectangular arrays

Make a conjecture

Page 5: 4 th Grade Division Lesson 1. Todays big idea is Multiplication and division are inverse operations and both can be represented using rectangular arrays
Page 6: 4 th Grade Division Lesson 1. Todays big idea is Multiplication and division are inverse operations and both can be represented using rectangular arrays

Gallery of Arrays

Observe the arrays that are around us.

Page 8: 4 th Grade Division Lesson 1. Todays big idea is Multiplication and division are inverse operations and both can be represented using rectangular arrays
Page 25: 4 th Grade Division Lesson 1. Todays big idea is Multiplication and division are inverse operations and both can be represented using rectangular arrays
Page 36: 4 th Grade Division Lesson 1. Todays big idea is Multiplication and division are inverse operations and both can be represented using rectangular arrays

How many ways could you arrange ___ donuts on a tray?

Page 37: 4 th Grade Division Lesson 1. Todays big idea is Multiplication and division are inverse operations and both can be represented using rectangular arrays
Page 42: 4 th Grade Division Lesson 1. Todays big idea is Multiplication and division are inverse operations and both can be represented using rectangular arrays
Page 43: 4 th Grade Division Lesson 1. Todays big idea is Multiplication and division are inverse operations and both can be represented using rectangular arrays