Grade: 3 Unit: 1 Week: 2 Content: Math Dates: 8/27-8/31

Theme Essential Question: Why do we need to be able to fluently add and subtract and tell time accurately?

Essential Questions: How do we solve addition and subtraction problems fluently using estimation to judge the reasonableness of an answer?

Standards

3.NBT.1 Use place value understanding to round whole numbers to the nearest 10 or 100.

3.NBT.2Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

Objectives

The learner will review place value.

The learner will round two and three digit whole numbers to the nearest 10 or/and 100.

The learner will fluently add and subtract within 100 using a variety of strategies and will judge the reasonableness of the answer using estimation.

Assessment Product

Students will use the weekly sale adds to purchase items up to $10.

1.) They should first estimate their purchases and then find the exact amount of their purchases. 2.) Students should then estimate the difference in cost between two of the items, then find the exact difference between the two items.

Key Questions (match Standard)

Can the learner use place value to round to the nearest 10 or 100?

Can the learner use estimation strategies to judge reasonable sums and differences?

Can the learner fluently solve addition and subtraction problems within 1000?

Observable Student Behaviors (Performance)

The learner will use place value to round to the nearest 10 or 100 given a two or three digit number.

The learner will use estimation strategies to judge reasonable sums or differences.

The learner will fluently add and subtract within 1000.

Mathematical Practices 1. Make sense of problems and persevere in solving them. 2. Reason abstractly and quantitatively. 3. Construct viable arguments and critique the reasoning of others. 4. Model with mathematics. 5. Use appropriate tools strategically. 6. Attend to precision. 7. Look for and make use of structure. 8. Look for and express regularity in repeated reasoning.

Vocabulary estimate associatve property of addition compatiable numbers place value rounding

Suggested Activities [see Legend to highlight MCO and HYS] Gizmo:

Number Line Frog Hop (Addition and Subtraction)

Live a frog's life as you hop along a number line in search of flies. Learn how addition and subtraction can be represented as movement along a number line. Fred the frog may even help you get better at adding and subtracting two-digit numbers in your head by decomposing them into tens and ones. Teacher Guide & Student Exploration Sheet Available.

Target Sum Card Game (Multi-digit Addition)

Play an addition card game! The goal is to create a sum that is as close as possible to the target sum. Students will deepen their understanding of place value as they get better at playing the game. Many game options allow students to vary the game for more practice. The game can be played with one or two players. Teacher Guide & Student Exploration Sheet Available.

Odyssey Lesson: Add/Subtract Up to 3 Digit Lesson (Found in Assignment Archive under District)

Hands on Standards (Grade 3-4) Lesson 4, pg 22-23 [S]

Super Source Base Ten (Grade 3-4)-pg 26-29

Everyday Counts Partner Games (Grade 4)-Game 3 [IC, S]

Lesson Plan in Word Format (Click Cancel if asked to Log In) Resources Professional Texts

Teaching Student Centered Mathematics Gr 3-5 by John A. Van de Walle

Literary Texts

Pigs will be Pigs, fun with Math and Money by Amy Axelrod (addition/subtraction)

Informational Texts

Art, Music, and Media

Manipulatives

Base Ten Blocks

Number Line

Games

Videos

Sight Words

SMART Board, Promethean Lessons

AEGOM Lesson G3M006

Addition and Subtraction Solve addition and subtraction problems, including word problems involving two-and-three digit numbers with regrouping. Complete an addition and subtraction sentence with missing addends including inverse relationships between and addition and subtraction.

AEGOM Quiz G3M006

AEGOM Lesson G3M009

Properties of Operations Identify properties of operations such as commutative, associative, and distributive and use them to compute whole numbers, including inverse relationships between and addition and subtraction.

http://illuminations.nctm.org/LessonDetail.aspx?ID=U85 In the following lessons, students participate in activities in which they analyze information represented graphically. Students are asked to discuss, describe, read, and write about the graphs and the information they contain. The emphasis on using components of language is natural for students and helps them clarify the information depicted. This unit was adapted from an article entitled "Ideas: Football," by by J. David Keller, Daniel J. Brahier, and William R. Speer, which appeared in The Arithmetic Teacher, January 1993, pp. 264-77.

Number Line Journeys

http://illuminations.nctm.org/LessonDetail.aspx?ID=L588 In this lesson, students generate products using a number line model. Students are encouraged to predict the products and to answer puzzles involving multiplication

Grade: 3 Unit: 1 Week: 2 Content: Math Dates: 8/27-8/31Theme Essential Question:Why do we need to be able to fluently add and subtract and tell time accurately?Essential Questions:How do we solve addition and subtraction problems fluently using estimation to judge the reasonableness of an answer?Standards3.NBT.1Use place value understanding to round whole numbers to the nearest 10 or 100.3.NBT.2Fluentlyadd and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.ObjectivesAssessmentProduct- Students will use the weekly sale adds to purchase items up to $10.

1.) They should first estimate their purchases and then find the exact amount of their purchases.2.) Students should then estimate the difference in cost between two of the items, then find the exact difference between the two items.

Key Questions(match Standard)Observable Student Behaviors(Performance)Mathematical Practices1. Make sense of problems and persevere in solving them.

2. Reason abstractly and quantitatively.

3. Construct viable arguments and critique the reasoning of others.

4. Model with mathematics.

5. Use appropriate tools strategically.

6. Attend to precision.

7. Look for and make use of structure.

8. Look for and express regularity in repeated reasoning.

Vocabularyestimate

associatve property of addition

compatiable numbers

place value

rounding

Suggested Activities[see Legend to highlight MCO and HYS]Gizmo:

Live a frog's life as you hop along a number line in search of flies. Learn how addition and subtraction can be represented as movement along a number line. Fred the frog may even help you get better at adding and subtracting two-digit numbers in your head by decomposing them into tens and ones. Teacher Guide & Student Exploration Sheet Available.Number Line Frog Hop (Addition and Subtraction)

Play an addition card game! The goal is to create a sum that is as close as possible to the target sum. Students will deepen their understanding of place value as they get better at playing the game. Many game options allow students to vary the game for more practice. The game can be played with one or two players. Teacher Guide & Student Exploration Sheet Available.Target Sum Card Game (Multi-digit Addition)Odyssey Lesson: Add/Subtract Up to 3 Digit Lesson(Found in Assignment Archive under District)(Grade 3-4)Lesson 4, pg 22-23 [S](Grade 3-4)-pg 26-29(Grade 4)-Game 3[IC, S]HomeworkTerminology for TeachersMulticultural ConceptsEthnicity/Culture |Immigration/Migration |InterculturalCompetence |Socialization |Racism/DiscriminationHigh Yield StrategiesSimilarities/Differences |Summarizing/Notetaking |Reinforcing/Recognition |Homework/Practice |Non-Linguistic representation |CooperativeLearning |Objectives/Feedback |Generating-TestingHypothesis |Cues,Questions,OrganizersResourcesProfessional TextsTeaching Student Centered MathematicsGr 3-5 by John A. Van de WalleLiterary TextsPigs will be Pigs, fun with Math and Moneyby Amy Axelrod (addition/subtraction)Informational TextsArt, Music, and MediaManipulativesGamesVideosSight WordsSMART Board, Promethean Lessons

Addition and SubtractionAEGOM Lesson G3M006Solve addition and subtraction problems, including word problems involving two-and-three digit numbers with regrouping. Complete an addition and subtraction sentence with missing addends including inverse relationships between and addition and subtraction.

Properties of OperationsAEGOM Quiz G3M006AEGOM Lesson G3M009Identify properties of operations such as commutative, associative, and distributive and use them to compute whole numbers, including inverse relationships between and addition and subtraction.

AEGOM Quiz G3M009Subtraction Reviewhttp://exchange.smarttech.com/details.html?id=b23012d6-7e5e-4c20-acb5-9a204b3339e3This activity will review basic concepts of subtraction: when to subtract estimation regrouping subtracting 2 digit numbers subtracting 3 digit numbers subtracting across zero

2-digit Number Computationhttp://exchange.smarttech.com/details.html?id=c38fa9e0-8ff7-4504-9a4a-3831e5ea0877Add and subtract 2-digit numbers with and without trading.

Addition of Whole Numbers With Regroupinghttp://exchange.smarttech.com/details.html?id=c51be3ab-9fce-4df5-9a71-baaf6c4e4bacThe lesson involves regrouping in the ones place value by adding two digit numbers.

Swat at the Factshttp://exchange.smarttech.com/details.html?id=087d24d6-b376-4111-a528-b3cdd7a54df1A caller say a number up to 12, teams double it and swat the number on a board with a fly swatter. Points kept on a scoreboard. Adaptable for number identification, addition, subtraction, multiplication and division.

Solving for Variables in Number Sentenceshttp://exchange.smarttech.com/details.html?id=e247d803-5dac-4c9a-b8f8-85d70eea30a7Student must use knowledge of properties to solve for missing numbers (variables).

http://exchange.smarttech.com/details.html?id=08088143-d212-47c6-9450-376ed2c3c914Math: Basic Addition with AlgorithmStudents will gain an understanding of three different algorithms to add two digit numbers. The lesson has examples and a quiz at the end.

http://exchange.smarttech.com/details.html?id=ea9502f8-3a7e-4456-9bca-a849a602f7eeMental Math-3rd GradeStudents will explore mental math skills using grouping strategies to solve addition problems. *Students will understand and use the commutative and associative properties of addition.

http://exchange.smarttech.com/details.html?id=f0b00466-f0ea-4c77-8685-14dfe4e0e8aaTeacherCheck double digit subtraction problems by clicking on the snowman.

http://exchange.smarttech.com/details.html?id=bb3204a0-1406-41e0-b8f0-37de3cc8050dEnvision Topic 3-Lesson 1Exploring addition properties that are always true.

http://exchange.smarttech.com/details.html?id=b8d88333-40e3-41b5-b558-ee3f7bae8030Lesson 2-1Everyday Math - Third Edition Grade Three Unit 2 Lesson 1

Other Activities, etc.Electronic Abacushttp://illuminations.nctm.org/ActivityDetail.aspx?id=8The applet explores the use of an abacus model for representing numbers and for performing addition

Mathematics and Footballhttp://illuminations.nctm.org/LessonDetail.aspx?ID=U85In the following lessons, students participate in activities in which they analyze information represented graphically. Students are asked to discuss, describe, read, and write about the graphs and the information they contain. The emphasis on using components of language is natural for students and helps them clarify the information depicted. This unit was adapted from an article entitled "Ideas: Football," by by J. David Keller, Daniel J. Brahier, and William R. Speer, which appeared in The Arithmetic Teacher, January 1993, pp. 264-77.

Number Line Journeyshttp://illuminations.nctm.org/LessonDetail.aspx?ID=L588In this lesson, students generate products using a number line model. Students are encouraged to predict the products and to answer puzzles involving multiplication

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