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 Lesson Plans (7) Multimedia (2)

## ALEX Lesson Plans

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Subject: Mathematics (2), or Technology Education (3 - 5)
Description: During this lesson, students will learn how to add 3-digit numbers using regrouping. Students will use manipulatives to help them learn this new concept. Students will have the opportunity to reinforce what they learn by navigating different websites.

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Subject: Mathematics (1 - 3), or Technology Education (3 - 5)
Title: Multiplication Facts, Facts, Facts and Some Reese's Pieces for Snack!!
Description: This lesson teaches the basic math multiplication facts in a fun way so that students will want to remember them. Knowledge of all multiplication facts will help with learning subsequent skills in longer multiplication, division, fractions, etc.

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Subject: Mathematics (2), or Technology Education (K - 2)
Description: During this lesson students get to experience shopping through a slide show. They have to choose an item and then place the correct amount of money beside the item they wish to purchase. Students also practice counting money via the Internet.

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Subject: Mathematics (K - 3), or Technology Education (K - 2)
Title: Hundred Blocks Board
Description: In this lesson students will practice adding, subtracting, and multiplying without regrouping using a hundred blocks board. Students will be given opportunities to identify and discuss different patterns that they discover and relate number patterns to visual patterns.

## Thinkfinity Lesson Plans

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Subject: Language Arts,Mathematics
Title: Lost Buttons
Description: In this lesson, one of a multi-part unit from Illuminations, students investigate subtraction more directly, beginning with the easier take away mode. They model take away subtraction with buttons and write subtraction sentences. They also work with the additive identity (0) as an addend and as a difference and find missing addends.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Block Pounds
Description: In this lesson, from Illuminations, students explore the use of variables as unknowns as they solve for the weights of objects using information presented in pictures. They also model situations that involve the addition and subtraction of whole numbers, using objects, pictures, and symbols.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Let's Learn Those Facts: Looking Back and Moving Forward
Description: In this lesson, one of a multi-part unit from Illuminations, students display their knowledge of properties of objects for sorting and creating patterns. They also demonstrate an understanding of commutativity and model addition and subtraction of whole numbers using different representations.
Thinkfinity Partner: Illuminations

## ALEX Multimedia

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Recognize Associative Property of Addition and Multiplication
Overview:
A student describes using the associative property in an expression and how it doesn't change the value. He shows it with an addition and multiplication problem.

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2 digit Addition and Subtraction with Regrouping
Overview:
This video shows students how to regroup in addition and subtraction. The phrase, "bigger bottom better regroup" is used for subtraction. There are "now you try" problems included. This video could be used after the concept is taught and students have had time to practice.