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7.EE Modeling Hot and Cold
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This lesson unit is intended to help students judge the accuracy of two different approximations to a particular linear relationship. Students will compare two linear functions as approximations to the relationship between Celsius and Fahrenheit temperature and consider under what circumstances each of the approximations may be reasonable.

http://map.mathshell.org/download.php?fileid=1629

Subject:
Mathematics
Material Type:
Lesson
Author:
Kayla Martin
Date Added:
01/19/2017
Algebra - Basic (Student's Edition)
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CK-12 Foundation's Basic Algebra FlexBook is an introduction to the algebraic topics of functions, equations, and graphs for middle-school and high-school students.

Subject:
Algebra
Functions
Material Type:
Textbook
Provider:
CK-12 Foundation
Provider Set:
CK-12 FlexBook
Author:
Farbizio, Annamaria
Gloag, Andrew
Gloag, Anne
Kramer, Melissa
Date Added:
09/21/2010
Algebra Toothpick Patterns
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In this lesson, toothpick patterns are used to explore growth patterns. Students are asked to extend patterns using toothpicks, drawing, and numbers. By observing patterns, students will strengthen their ability to represent real-world patterns to the abstract language of algebra.

Subject:
Mathematics
Material Type:
Lesson Plan
Author:
Tres Wells
Date Added:
02/13/2016
Animal Populations
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In this task students have to interpret expressions involving two variables in the context of a real world situation. All given expressions can be interpreted as quantities that one might study when looking at two animal populations.

Subject:
Mathematics
Algebra
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/01/2012
Arabic Vocabulary Lists
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These extensive vocabulary lists are grouped by topic, and they include MSA terms and occasionally their Egyptian colloquial equivalent. There are also a number of lists with various idioms and Egyptian colloquial expressions. Arabic spellings are accompanied by transliterations.

Subject:
Arts and Humanities
Languages
Material Type:
Reading
Provider:
Individual Authors
Author:
anonymous
Date Added:
09/12/2013
Arabic for Life: A Textbook for Beginning Arabic
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Arabic for Life takes an intensive, comprehensive approach to beginning Arabic instruction and is specifically tailored to the needs of talented and dedicated students. Unlike the other Arabic textbooks on the market, Arabic for Life is not specifically focused on either grammar or proficiency. Instead, it offers a balanced methodology that combines these goals. Frangieh has created a book that is full of energy and excitement about Arabic language and culture, and it effectively transmits that excitement to students. Arabic for Life offers a dynamic and multidimensional view of the Arab world that incorporates language with Arabic culture and intellectual thought.

The book is accompanied by a DVD with some eighty videos of native speakers reciting the vocalized texts in the book and dozens of audio recordings covering vocabulary and expressions, drills on Arabic sounds and letters, and various exercises and activities.

Bassam Frangieh is professor of Arabic at Claremont-McKenna College. He previously taught at Georgetown, Yale, and the Foreign Service Institute. He is the author of Anthology of Arabic Literature, Culture, and Thought from Pre-Islamic Times to the Present, published by Yale University Press.

Material Type:
Activity/Lab
Textbook
Author:
CLASSRoad Admin
Date Added:
12/17/2018
Area Model Algebra
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Build rectangles of various sizes and relate multiplication to area. Discover new strategies for multiplying algebraic expressions. Use the game screen to test your multiplication and factoring skills!

Subject:
Algebra
Material Type:
Diagram/Illustration
Game
Interactive
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Amanda McGarry (co-lead)
Amy Hanson (lead designer)
Ariel Paul
Diana Lopez Tavares (artwork)
Jonathan Olson (developer)
Karina Hensberry
Kathy Perkins
Mariah Hermsmeyer (artwork)
Susan Miller
Date Added:
05/09/2018
Cantor Set
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The purpose of this task is to use finite geometric series to investigate an amazing mathematical object that might inspire students' curiosity. The Cantor Set is an example of a fractal.

Subject:
Mathematics
Algebra
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
08/24/2012
Comment dire qu'on est d'accord ou qu'on n'est pas d'accord, French, Intermediate Mid
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In this activity, students will brainstorm useful expressions for agreeing with, disagreeing with, and uncertainty about situations. Students will then practice using these expressions in conversation.

Subject:
Languages
Material Type:
Activity/Lab
Author:
Amber Hoye
Emily Blackburn
Camille Daw
Mimi Fahnstrom
Date Added:
12/11/2019
Course of Antibiotics
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This task presents a real world application of finite geometric series. The context can lead into several interesting follow-up questions and projects. Many drugs only become effective after the amount in the body builds up to a certain level. This can be modeled very well with geometric series.

Subject:
Mathematics
Algebra
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
09/13/2012
Delivery Trucks
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No Strings Attached
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The primary purpose of this task is to illustrate certain aspects of the mathematics described in the A.SSE.1. The task has students look for structure in algebraic expressions related to a context, and asks them to relate that structure to the context. In particular, it is worth emphasizing that the task requires no algebraic manipulation from the students.

Subject:
Mathematics
Algebra
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/01/2012
Desmos Activities- Units 1-5 (SMII - MVP)
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Interactive Desmos activities that are associated with Units of the Secondary Math II - Mathematics Vision Project (MVP) curriculum.
Teachers will want to create a class code to share with students to monitor student progress as they work through the Desmos activities for each of the lessons.

Subject:
Mathematics
Material Type:
Interactive
Author:
Mindy Branson
Date Added:
10/24/2019
Elementary Algebra
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No Strings Attached
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Elementary Algebra is a work text that covers the traditional topics studied in a modern elementary algebra course. It is intended for students who (1) have no exposure to elementary algebra, (2) have previously had an unpleasant experience with elementary algebra, or (3) need to review algebraic concepts and techniques.

Subject:
Algebra
Material Type:
Full Course
Textbook
Provider:
Rice University
Provider Set:
OpenStax CNX
Author:
Denny Burzynski
Wade Ellis
Date Added:
08/16/2010
Equivalent Expressions
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This is a standard problem phrased in a non-standard way. Rather than asking students to perform an operation, expanding, it expects them to choose the operation for themselves in response to a question about structure. The problem aligns with A-SSE.2 because it requires students to see the factored form as a product of sums, to which the distributive law can be applied.

Subject:
Mathematics
Algebra
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/01/2012
Facial Expressions, ASL Intermediate
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Students will discuss Deaf Culture through the experiences of a Deaf individual. Students will work to translate scenarios in ASL, while understanding the importance of facial expressions and non-manual signs in conversation.

Subject:
Languages
Material Type:
Activity/Lab
Author:
Camille Daw
Mimi Fahnstrom
Date Added:
10/07/2019
Forms of exponential expressions
Conditions of Use:
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This task contrasts the usefulness of four equivalent expressions. Students first have to confirm that the given expressions for the radioactive substance are equivalent. Then they have to explain the significance of each expression in the context of the situation.

Subject:
Mathematics
Algebra
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
02/03/2013
Grade 7 Math
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Student-facing 7th grade math resources. Covers scale drawings, proportion, percentages, probability, expressions, and geometry.

Subject:
Mathematics
Material Type:
Unit of Study
Provider:
Open Up Resources
Date Added:
05/21/2019
Graphs of Quadratic Functions
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This exploration can be done in class near the beginning of a unit on graphing parabolas. Students need to be familiar with intercepts, and need to know what the vertex is.

Subject:
Mathematics
Algebra
Functions
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/01/2012
A Guide to Arabic - 10 facts, 20 key phrases, the alphabet and videos
Conditions of Use:
Read the Fine Print
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The BBC's brief guide on the Arabic language includes 4 different sections including facts about the language, a list of 20 key phrases with audio files, a section on the alphabet with audio files, and a group of videos, although the videos are not available in the US. The Arabic used in the words and phrases is MSA. The page's text can be viewed in English or Arabic.

Subject:
Arts and Humanities
Languages
Material Type:
Data Set
Provider:
BBC
Date Added:
10/14/2013
Ice Cream
Conditions of Use:
No Strings Attached
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This task illustrates the process of rearranging the terms of an expression to reveal different aspects about the quantity it represents, precisely the language being used in standard A-SSE.B.3.

Subject:
Mathematics
Algebra
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/01/2012
Increasing or Decreasing? Variation 1
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Students are asked to consider the expression that arises in physics as the combined resistance of two resistors in parallel. However, the context is not explicitly considered here. The task is good general preparation for problems more specifically aligned to either A-SSE.1 or A-SSE.2.

Subject:
Mathematics
Algebra
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/01/2012
Kitchen Floor Tiles
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The purpose of this task is to give students practice in reading, analyzing, and constructing algebraic expressions, attending to the relationship between the form of an expression and the context from which it arises. The context here is intentionally thin; the point is not to provide a practical application to kitchen floors, but to give a framework that imbues the expressions with an external meaning.

Subject:
Mathematics
Algebra
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/01/2012
LookLex Learn Arabic - Lesson Eleven
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Lesson eleven features a nine line dialogue that takes place in a coffee shop. Students are able to read the lines in Arabic and utilize the voiceover feature that plays the lines of dialogue in Arabic. The dialogue caters to students interested in learning how to carry themselves in a general social setting. The two subsections include a word list that defines many of the words used in the dialogue, while the brief grammar section lists, in transliterated Arabic, the Arabic pronouns most often used in general conversation.

Subject:
Arts and Humanities
Languages
Material Type:
Lesson
Provider:
LexicOrient
Date Added:
10/14/2013
LookLex Learn Arabic - Lesson One
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Lesson one of the LookLex Learn Arabic website features eight common conversational phrases with audio voiceovers. Additionally, the lesson includes a brief grammar section on the makeup of the Arabic alphabet. Entitled "Hello and Goodbye," this section is perhaps most useful to students seeking to master common Arabic greetings and other expressions used when one is meeting others in the Arabic speaking world.

Subject:
Arts and Humanities
Languages
World Cultures
Material Type:
Lesson Plan
Provider:
LexicOrient
Date Added:
10/14/2013
LookLex Learn Arabic - Lesson Thirteen
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Lesson thirteen continues the conversational theme of the LookLex series by featuring a brief conversation about the beaches of Alexandria. Students are able to see how sentences can be constructed about normal, everyday affairs in social settings. Additionally, like the previous lesson, a variety of verbs, phrases, adjectives and sentence structures are used, thereby exposing students to properly formed sentences in "real-life scenarios."

Subject:
Arts and Humanities
Languages
Material Type:
Lesson
Provider:
LexicOrient
Date Added:
10/14/2013
LookLex Learn Arabic - Lesson Three
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Lesson three of the LookLex website concentrates on common greetings and standard expressions one uses when meeting or receiving others for the first time. Entitled "meeting people," the lesson includes voiceovers in Arabic that correspond to each greeting/expression. The brief grammar section pays particular attention to verbs not found in Arabic that seem confusing at first for an English-speaking student of Arabic.

Subject:
Arts and Humanities
Languages
Material Type:
Lesson
Provider:
LexicOrient
Date Added:
10/14/2013
Math, Grade 6, Equations and Inequalities
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Equations and Inequalities

Type of Unit: Concept

Prior Knowledge

Students should be able to:

Add, subtract, multiply, and divide with whole numbers, fractions, and decimals.
Use the symbols <, >, and =.
Evaluate expressions for specific values of their variables.
Identify when two expressions are equivalent.
Simplify expressions using the distributive property and by combining like terms.
Use ratio and rate reasoning to solve real-world problems.
Order rational numbers.
Represent rational numbers on a number line.

Lesson Flow

In the exploratory lesson, students use a balance scale to find a counterfeit coin that weighs less than the genuine coins. Then continuing with a balance scale, students write mathematical equations and inequalities, identify numbers that are, or are not, solutions to an equation or an inequality, and learn how to use the addition and multiplication properties of equality to solve equations. Students then learn how to use equations to solve word problems, including word problems that can be solved by writing a proportion. Finally, students connect inequalities and their graphs to real-world situations.

Subject:
Mathematics
Algebra
Material Type:
Unit of Study
Provider:
Pearson
Math, Grade 6, Equations and Inequalities, Solving Problems Involving Proportions
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Lesson OverviewStudents solve problems using equations of the form x + p = q and px = q, as well as problems involving proportions.Key ConceptsStudents will extend what they know about writing expressions to writing equations. An equation is a statement that two expressions are equivalent. Students will write two equivalent expressions that represent the same quantity. One expression will be numerical and the other expression will contain a variable.It is important that when students write the equation, they define the variable precisely. For example, n represents the number of minutes Aiko ran, or x represents the number of boxes on the shelf.Students will then solve the equations and thereby solve the problems.Students will solve proportion problems by solving equations. This makes sense because a proportion such as xa=bc is really just an equation of the form xp = q where p=1a and q=bc.Students will also compare their algebraic solutions to an arithmetic solution for the problem. They will see, for example, that a problem that might be solved arithmetically by subtracting 5 from 78 can also be solved algebraically by solving x + 5 = 78, where 5 is subtracted from both sides—a parallel solution to subtracting 5 from 78.Goals and Learning ObjectivesUse equations of the form x + p = q and xp = q to solve problems.Solve proportion problems using equations.ELL: ELLs may have difficulty verbalizing their reasoning, particularly because word problems are highly language dependent. Accommodate ELLs by providing extra time for them to process the information. Note that this problem is a good opportunity for ELLs to develop their literacy skills since it incorporates reading, writing, listening, and speaking skills. Encourage students to challenge each others' ideas and justify their thinking using academic and specialized mathematical language.

Subject:
Algebra
Material Type:
Lesson Plan
Provider:
Pearson
Math, Grade 6, Expressions
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Expressions

Type of Unit: Concept

Prior Knowledge

Students should be able to:

Write and evaluate simple expressions that record calculations with numbers.
Use parentheses, brackets, or braces in numerical expressions and evaluate expressions with these symbols.
Interpret numerical expressions without evaluating them.

Lesson Flow

Students learn to write and evaluate numerical expressions involving the four basic arithmetic operations and whole-number exponents. In specific contexts, they create and interpret numerical expressions and evaluate them. Then students move on to algebraic expressions, in which letters stand for numbers. In specific contexts, students simplify algebraic expressions and evaluate them for given values of the variables. Students learn about and use the vocabulary of algebraic expressions. Then they identify equivalent expressions and apply properties of operations, such as the distributive property, to generate equivalent expressions. Finally, students use geometric models to explore greatest common factors and least common multiples.

Subject:
Mathematics
Algebra
Material Type:
Unit of Study
Provider:
Pearson
Math, Grade 6, Expressions, Gallery Problems Exercise
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Lesson GuideAllow students who have a clear understanding of the content thus far in the unit to work on Gallery problems of their choosing. You can then use this time to provide additional help to students who need review of the unit's concepts or to assist students who may have fallen behind on work.Gallery DescriptionsBuilding BridgesStudents will examine a pattern and use expressions to show how to continue the pattern.Patterns in a TableStudents will complete a table by noticing relationships within the table and using those relationships to fill in empty cells in the table.Expressions for Perimeter and AreaStudents will write equivalent expressions for the perimeters and areas of various rectangles.Multiplication TableStudents will complete an unusual multiplication table by writing the algebraic expression that results from multiplying the terms given in the top row by the ones given in the left column.Garden BedsStudents will find the number of square tiles needed to pave around various configurations of rectangular garden beds. Then, students will write an algebraic equation to represent the number of square tiles needed to go around any number of plants in a single row.Telephone TreeStudents will solve problems about a telephone tree and use expressions to show the number of calls completed after a given number of rounds of calling.Stacks of DVDsStudents will write an expression to describe the width of a stack of DVDs, and then they will evaluate the expression for different numbers of DVD cases and boxed sets.Exponent Card SortStudents will complete a card sort that will give them practice working with exponents. Then they will use a set of blank cards to complete sets that purposely have one or two representations missing.Matching Words and ExpressionsStudents will match a verbal statement with its expression in this card sort.Investigating Factors and MultiplesStudents will investigate an interesting property of numbers involving the greatest common factor and the least common multiple.Fourth RockStudents will solve a problem about how long it will take for two imaginary planets in an imaginary solar system to align so that they are at their closest distance from each other.Factors of a NumberStudents will decide whether a mathematical claim about factors and multiples is true or false based on given criteria.Common FactorsStudents will look at two unknown numbers with a greatest common factor of 20 and determine what other factors must be common to the two unknown numbers. Students will use their answer to make a generalization.History of VariablesStudents will research the history of variables. When were they first used? Where were they first used? Who used them?Create a VideoStudents will use their creative powers to produce a video about expressions.

Subject:
Mathematics
Material Type:
Lesson Plan
Provider:
Pearson
Math, Grade 6, Expressions, Mathematical Vocabulary
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Students play an Expressions Game in which they describe expressions to their partners using the vocabulary of expressions: term, coefficient, exponent, constant, and variable. Their partners try to write the correct expressions based on the descriptions.Key ConceptsMathematical expressions have parts, and these parts have names. These names allow us to communicate with others in a precise way.A variable is a symbol (usually a letter) in an expression that can be replaced by a number.A term is a number, a variable, or a product of numbers and variables. Terms are separated by the operator symbols + (plus) and – (minus).A coefficient is a symbol (usually a number) that multiplies the variable in an algebraic expression.An exponent tells how many copies of a number or variable are multiplied together.A constant is a number. In an expression, it can be a constant term or a constant coefficient. In the expression 2x + 3, 2 is a constant coefficient and 3 is a constant term.Goals and Learning ObjectivesIdentify parts of an expression using appropriate mathematical vocabulary.Write expressions that fit specific descriptions (for example, the expression is the sum of two terms each with a different variable).

Subject:
Algebra
Material Type:
Lesson Plan
Provider:
Pearson
Math, Grade 6, Expressions, Substituting Numbers for Letters
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Students express the lengths of trains as algebraic expressions and then substitute numbers for letters to find the actual lengths of the trains.Key ConceptsAn algebraic expression can be written to represent a problem situation. More than one algebraic expression may represent the same problem situation. These algebraic expressions have the same value and are equivalent.To evaluate an algebraic expression, a specific value for each variable is substituted in the expression, and then all the calculations are completed using the order of operations to get a single value.Goals and Learning ObjectivesEvaluate expressions for the given values of the variables.

Subject:
Algebra
Material Type:
Lesson Plan
Provider:
Pearson