Subject: Operations and Algebraic Thinking

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Addition with Unknown Numbers

1st Grade • Half Day Lesson Plan
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Addition with Unknown Numbers

1st Grade • Half Day Lesson Plan

Subject:
Math, Operations and Algebraic Thinking

Type:
Half Day Lesson Plan

CCSS: 1.OA.8

Skills: Determine the unknown whole number in an addition equation relating three whole numbers.

Description: This half day lesson plan is broken down into 2 separate segments (60 minutes each) addressing Operations and Algebraic Thinking: Addition with Unknown Numbers (1.OA.8). These lessons include: key addition vocabulary, guided and independent practice of concepts, and 3 activities  to reinforce the concept of determining an unknown in an addition equation.

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Addition Within 20

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Addition Within 20

1st Grade • Half Day Lesson Plan

Subject:
Math, Operations and Algebraic Thinking

Type:
Half Day Lesson Plan

CCSS: 1.OA.6

Skills: Addition Within 20, Addition Strategies: Counting On, Making Ten, Making Easier Known Sums, Using Number Grids, Using Number Lines

Description: This half day lesson plan is broken down into 2 separate segments (30-60 minutes each) addressing Operations and Algebraic Thinking: Addition within 20 (1.OA.6). These lessons include guided and independent practice of adding using counting on, making ten, making easier known sums, using number grids, and using number lines, and 3 games to reinforce these concepts.

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Solving for the Unknown: Multiplication and Division

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Solving for the Unknown: Multiplication and Division

3rd Grade • Half Day Lesson Plan

Subject:
Math, Operations and Algebraic Thinking

Type:
Half Day Lesson Plan

CCSS: 3.OA.A4

Skills: Operations & Algebraic Thinking: Unknown Variables, Multiplication, Division, Fact Families, Equal Groups, Arrays, Skip Counting, Repeated Subtraction, and Repeated Addition

Description: This half day lesson plan is broken down into 2 separate segments (30-60 minutes each) addressing Operations and Algebraic Thinking: Unknown Variables (3.OA.A4). These lessons include: key multiplication/division vocabulary, helpful student notes for reference, guided and independent practice of concepts, and a game to reinforce the concept of solving for the unknown in multiplication and division.

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Division: Interpreting Quotients

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Division: Interpreting Quotients

3rd Grade • Half Day Lesson Plan

Subject:
Math, Operations and Algebraic Thinking

Type:
Half Day Lesson Plan

CCSS: 3.OA.A2

Skills: Operations & Algebraic Thinking: Division, Equal Groups, Partitive Division, Quotative Division, Interpreting Quotients, Repeated Subtraction, and Repeated Addition

Description: This half day lesson plan is broken down into 2 separate segments (60 minutes each) addressing Operations and Algebraic Thinking: Interpreting Quotients (3.OA.A2). These lessons include: key division vocabulary, helpful student notes for reference, guided and independent practice of concepts (division, equal groups, partitive division, quotative division, repeated subtraction and repeated addition) and a game to reinforce the concept of interpreting quotients.

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Equals Sign: Add/Subtract within 20

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Equals Sign: Add/Subtract within 20

1st Grade • Half Day Lesson Plan

Subject:
Math, Operations and Algebraic Thinking

Type:
Half Day Lesson Plan

CCSS: 1.OA.7, 1.OA.6

Skills: Students will practice understanding the value of the equal sign, collaborate to solve problems of addition and subtraction within 20, determine if equations are true ...

Description: In this 1st grade math lesson for Operations and Algebraic Thinking, students will practice understanding the value of the equal sign and solve problems to determine if equations are true or false.

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Relate Counting to Addition and Subtraction

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Relate Counting to Addition and Subtraction

1st Grade • Half Day Lesson Plan

Subject:
Math, Operations and Algebraic Thinking

Type:
Half Day Lesson Plan

CCSS: 1.OA.5.NHD

Skills: Students will learn how to use a number line for both addition and subtraction as well as begin to see the relationship between addition and ...

Description: In this 2 segment 1 and 1/2 hour math lesson for Operations & Algebraic Thinking, 1st grade students will relate counting to both addition and subtraction using a physical number line formed with their bodies as well as on paper.  Exit slips, including a color by number activity, provide excellent instructional feedback to help determine your next steps for teaching this standard.

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