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Create and evaluate expressions involving variables and whole number exponents.

b. Evaluate expressions at specific values of the variables.

d. Write and evaluate algebraic expressions.

Subject:
Mathematics
Material Type:
Activity/Lab
Author:
Liberty Public Schools
04/12/2021
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0.0 stars

Use tiles to represent variables and constants, learn how to represent and solve algebra problems. Solve equations, substitute in variable expressions, and expand and factor. Flip tiles, remove zero pairs, copy and arrange, and make your way toward a better understanding of algebra.

Subject:
Algebra
Mathematics
Material Type:
Diagram/Illustration
Interactive
Simulation
Author:
Illuminations National Council of Teachers of Mathematics
05/15/2018
Unrestricted Use
CC BY
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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
Mathematics
Material Type:
Diagram/Illustration
Game
Interactive
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
Ariel Paul
Diana Lopez Tavares (artwork)
Jonathan Olson (developer)
Karina Hensberry
Kathy Perkins
Mariah Hermsmeyer (artwork)
Susan Miller
05/09/2018
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Variables are used as placeholders for values such as numbers or words. Variables allow for a lot of freedom in programming. Instead of having to type out a phrase many times or remember an obscure number, computer scientists can use variables to reference them. This lesson helps to explain what variables are and how we can use them in many different ways. The idea of variables isn't an easy concept to grasp, so we recommend allowing plenty of time for discussion at the end of the lesson.

Subject:
Applied Science
Computer Science
Material Type:
Lesson Plan
Provider:
Code.org
Provider Set:
CS Fundamentals 2019-2020
09/10/2019
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CC BY-NC-SA
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In this lesson, students will explore the creation of repetitive designs using variables in the Artist environment. Students will learn how variables can be used to make code easier to write and easier to read, even when the values don't change at runtime.

Subject:
Applied Science
Computer Science
Material Type:
Lesson Plan
Provider:
Code.org
Provider Set:
CS Fundamentals 2019-2020
09/10/2019
Conditional Remix & Share Permitted
CC BY-NC-SA
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This lesson will help illustrate how variables can make programs more powerful by allowing values to change while the code is running.

Subject:
Applied Science
Computer Science
Material Type:
Lesson Plan
Provider:
Code.org
Provider Set:
CS Fundamentals 2019-2020
09/10/2019
Conditional Remix & Share Permitted
CC BY-NC-SA
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In this lesson, students will explore the creation of repetitive designs using variables in the Artist environment. Students will learn how variables can be used to make code easier to write and easier to read. After guided puzzles, students will end in a freeplay level to show what they have learned and create their own designs.

Subject:
Applied Science
Computer Science
Material Type:
Lesson Plan
Provider:
Code.org
Provider Set:
CS Fundamentals 2019-2020
09/10/2019
Conditional Remix & Share Permitted
CC BY-NC-SA
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In this lesson, students will explore the creation of repetitive designs using variables in the Artist environment. Students will learn how variables can be used to make code easier to write and easier to read, even when the values don't change at runtime.

Subject:
Applied Science
Computer Science
Material Type:
Lesson Plan
Provider:
Code.org
Provider Set:
CS Fundamentals 2019-2020
09/10/2019
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

This lesson will help illustrate how variables can make programs more powerful by allowing values to change while the code is running.

Subject:
Applied Science
Computer Science
Material Type:
Lesson Plan
Provider:
Code.org
Provider Set:
CS Fundamentals 2019-2020
09/10/2019
Conditional Remix & Share Permitted
CC BY-NC-SA
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In this lesson, students will explore the creation of repetitive designs using variables in the Artist environment. Students will learn how variables can be used to make code easier to write and easier to read. After guided puzzles, students will end in a freeplay level to show what they have learned and create their own designs.

Subject:
Applied Science
Computer Science
Material Type:
Lesson Plan
Provider:
Code.org
Provider Set:
CS Fundamentals 2019-2020
09/10/2019
Unrestricted Use
CC BY
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Explore what it means for a mathematical statement to be balanced or unbalanced by interacting with objects on a balance. Discover the rules for keeping it balanced. Collect stars by playing the game!

Subject:
Mathematics
Material Type:
Simulation
Provider:
Provider Set:
PhET Interactive Simulations
Author:
David Wood
Marleene Buttice
Meenakshi Raghavan
03/06/2019
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In Module 4, students extend what they already know about unit rates and proportional relationships to linear equations and their graphs.  Students understand the connections between proportional relationships, lines, and linear equations in this module.  Students learn to apply the skills they acquired in Grades 6 and 7, with respect to symbolic notation and properties of equality to transcribe and solve equations in one variable and then in two variables.

Find the rest of the EngageNY Mathematics resources at https://archive.org/details/engageny-mathematics.

Subject:
Algebra
Mathematics
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
11/12/2013
Only Sharing Permitted
CC BY-NC-ND
Rating
0.0 stars

An introduction and examples of how to use basic concepts in statistics, used in quantative studies: samples, population, variables, random samples, groups, ranking, measurement levels.

Subject:
Applied Science
Health, Medicine and Nursing
Mathematics
Statistics and Probability
Material Type:
Lecture
Provider:
Umeå University
Provider Set:
Quantitative Research Methods
Author:
Marie Lindqvist
Associate professor in epidemiology and biostatistics
11/01/2014
Unrestricted Use
CC BY
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0.0 stars

Subject:
Mathematics
Statistics and Probability
Material Type:
Textbook
Provider:
BCcampus
Provider Set:
BCcampus Open Textbooks
Author:
Mohammad Mahbobi, Thompson Rivers University; Thomas K. Tiemann, Elon University
04/19/2016
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CC BY-NC-SA
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This book will teach you how to make graphical computer games in the Python programming language using the Pygame library.This book assumes you know a little bit about Python or programming in general. If you don’t know how to program, you can learn by downloading the free book "Invent Your Own Computer Games with Python" from http://inventwithpython.com. Or you can jump right into this book and mostly pick it up along the way. This book is for the intermediate programmer who has learned what variables and loops are, but now wants to know, "What do actual game programs look like?" There was a long gap after I first learned programming but didn’t really know how to use that skill to make something cool. It’s my hope that the games in this book will give you enough ideas about how programs work to provide a foundation to implement your own games.

Subject:
Applied Science
Computer Science
Material Type:
Textbook
Author:
Albert Sweigart
06/28/2019
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CC BY-NC
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Subject:
Mathematics
Material Type:
Full Course
Provider:
Pearson
10/06/2016
Conditional Remix & Share Permitted
CC BY-NC
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0.0 stars

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:
Algebra
Mathematics
Material Type:
Unit of Study
Provider:
Pearson
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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 &ndash; (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
09/21/2015
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CC BY-NC
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Four full-year digital course, built from the ground up and fully-aligned to the Common Core State Standards, for 7th grade Mathematics. Created using research-based approaches to teaching and learning, the Open Access Common Core Course for Mathematics&nbsp;is designed with student-centered learning in mind, including activities for students to develop valuable 21st century skills and academic mindset.

Subject:
Mathematics
Material Type:
Full Course
Provider:
Pearson