Quick Links: Addition/Subtraction Home  Lesson 4 Preview
LEARNING GOAL: “I can automatically recall the product of all “Little Doubles” Addition facts. I can use this knowledge to quickly find differences of related Subtraction facts.”
LESSON COMPONENTS
1. PREVIEW LESSON 4
2. TEACH LESSON 4:

LESSON PROGRESSION
Segment 1: Concept Building
Segment 2: Accuracy Building
Segment 3: Fluency Building
Segment 4: Application
ABOUT THE LESSON PROGRESSION
Factivation’s lesson progression uses researchbased instructional practices to move students from initial understanding of the concept of Addition to accurate recall through memoryenhancing strategies and purposefully designed accuracy building activities. After accuracy is established, student begin timed, targeted fluency building. This brainfriendly, complete process prepares students to then apply facts, with automaticity, to problem solving scenarios. Factivation connects newly acquired facts to their Subtraction counterparts and students gain a thorough understanding of the reciprocity of the operations during the Application portion of the lesson.
Segment 1: Concept Building
PROCEDURE: The first time this activity is introduced, read or watch Eric Carle’s The Very Hungry Caterpillar. Explain to students that they have a very hungry adderpillar™ who likes to eat gummy bears (adapt to fit your manipulatives).
Model: Write a Doubles fact on the board: 3 + 3 = ___ for example, and say, “When our adderpillar™ first woke up, he was hungry, so he ate 3 gummy bears. Point to the “3” in your equation and then to the first empty section of the adderpillar’s body. Say, “Our first addend is 3. By midmorning, he was hungry again and ate 3 more gummy bears.” (Point to the other “3” in the equation and place 3 gummy bears in the second section of the adderpillar™. Say, “Our next addend is also 3.”) Ask, “How many gummy bears did he eat in all? What is the SUM?” Refer back to your equation and ask students to find the sum. Record. Continue modeling with different Doubles facts as needed.
Practice: Have students practice building this lesson’s Doubles facts independently or with a partner using their Adderpillar™ mat and manipulatives. Follow up each fact building session with an Addition Concept Builder. Place the Adderpillar™ mat and manipulatives in a Math center for continued practice.
Estimated Duration: 23 days  Time/Lesson: 20 mins.
SINGALONGS  Supporting Resources 

FACT BUILDING “HANDSON” ACTIVITIESUse for a concept lesson, then place in a center for independent practice! Adderpillar Concept Mat FOLLOWUP PRACTICE 
Segment 2: Accuracy Building
Estimated Duration: 23 days  Time/Lesson: 20 mins.
Video Instruction  Supporting Resources 

FOLLOWUP PRACTICEAddition Fluency Builder 4 (untimed)
ADDITIONAL PRACTICEGreat for centers and/or home use!
SINGALONGS
SMARTBOARD GAMESGreat for class competitions!
ASSESSMENTS 
Segment 3: Fluency Building
Estimated Duration: 23 days  Time/Lesson: 20 mins.
Video Instruction  Supporting Resources 

FOLLOWUP PRACTICESpeed Check Chart for Fluency Builder SMARTBOARD GAMESGreat for class competitions! ASSESSMENTSPrintableOnline OptionLesson 4 Assessment (Kubbu.com) (Optional) NOTE: You will need to set up a free Kubbu account to access online assessments. It’s quick and easy find out how→ 
Segment 4: Application
Estimated Duration: 35 days  Time/Lesson: 20 mins.
Video Instruction  Supporting Resources 

APPLY FACTS TO RELATED SUBTRACTION FACTSConnect Addition Facts to Subtraction CounterpartsBuild Subtraction FluencySpeed Check Chart for Fluency Builder Assess Subtraction FluencyThis printable is coming soon!
APPLY FACTS TO ADDITION/SUBTRACTION EQUATIONS 