Curated OER
Interpreting Algebraic Expressions
Interpreting algebraic expressions is a fundamental skill in beginning algebra. This activity approaches the task in numerous ways. First, learners assess their understanding with a short worksheet on converting between words and...
Mathematics Vision Project
Module 3: Numbers and Operations
Bring some concrete reasoning to the skills of multiplying and combining terms. Using various strategies, the six activities in the module provide practice for the skills of adding, subtracting, multiplying, and diving polynomials. The...
Curated OER
Symbols in Algebra
Students name and sketch numerical expressions. In this order of operation instructional activity, students add, subtract, multiply and divide using the correct order of operation. They perform four specific calculations for their...
Curated OER
Domain: Operations and Algebraic Thinking
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
Virginia Department of Education
Properties of Operations
Explore the definitions of algebraic properties through a hands-on activity. Individuals cut and paste examples and match them to the correct properties. After examining the provided examples, pupils create examples of their own.
EngageNY
Algebraic Expressions—The Distributive Property
Do your classes truly understand the distributive property? Use a demonstrative lesson to represent the distributive property in various ways. Learners solidify understanding by creating a geometric pattern for distributive property, and...
Curated OER
Matrix Madness!!
Perform operations to add, subtract, multiply and divide matrices. Then solve problems with vectors using matrices. A three day lesson: Matrix Madness, Mystical Matrices, and Decode the Encode. The last lesson has prizes that the class...
Curated OER
Operations on Polynomials
Students simplify and reduce polynomials. In this algebra lesson, students find the sum, difference, product and quotient of polynomials and monomials. They use the order of operation correctly.
Curated OER
Algebra...Your Second Language
Help learners translate word problems into algebraic equations. They will rewrite words using symbols and evaluate algebraic expressions using real life scenarios, animation sequences, video presentations, and activities to help young...
Illustrative Mathematics
Writing Expressions
Practice writing algebraic expressions from written phrases. The objective is to consider two seemingly similar phrases, write them as algebraic expressions, and then simplify using the order of operations. Learners are challenged to...
EngageNY
The Geometric Effect of Multiplying by a Reciprocal
Class members perform complex operations on a plane in the 17th segment in the 32-part series. Learners first verify that multiplication by the reciprocal does the same geometrically as it does algebraically. The class then circles back...
Curated OER
Order of Operation
Students solve problems using the order of operation. In this algebra lesson, students factor, subtract, add and divide using the correct order to remove parentheses. They simplify expressions by combining like terms.
Curated OER
Understanding Inequality Operation Rules
Students solve problems within-inequalities. In this algebra lesson, students apply concepts of addition, subtraction, multiplication and division to solve inequalities.
Curated OER
Algebraic Thinking - Equations
Fifth graders explore equality and inequality by participating in a Tilt/Balance activity. The students listen to the story "Lemonade for Sale" by Stuart J. Murphy and use equations to graph lemonade sale profits.
Curated OER
Order of Operations and Two-Step Equations
Solve two-step equations using order of operation in this algebra lesson. Young mathematicians evaluate functions through substitution and apply the properties of exponents and negatives correctly. They complete the order of operation...
Curated OER
Order of Operations
Students solve problems using the order of operation. In this algebra lesson, students perform order of operation working from inside the parentheses and exponents to multiplication and division in the right order. They evaluate...
Curated OER
Order of Operation
Students solve problems using the order of operation. In this algebra lesson, students solve problems using the PEMDAS. They work from the inside of a parentheses on outward as they solve the problem correctly.
Curated OER
Basic Mathematical Operations Using Math Tiles
Practice addition, subtraction, multiplication, and division using tiles as manipulatives. In this math operations instructional activity, young learners choose the appropriate sized tiles, arrange them according to directions given by...
Curated OER
Get Lucky and Algebra Jeopardy
Students manipulate integers quickly to get their answers. In this algebra lesson plan, students play an interactive game as they review basic algebraic operations. They add, subtract, multiply and divide quickly to get the correct answer.
Curated OER
Operations with Fractions
Students solve fractions using multiplication, subtractions and division. In this algebra lesson, students use the correct steps to solve fractions with unlike denominators when addin g and subtracting. They solve divisions by the...
Curated OER
Properties of Operations
Eighth graders use the order of operation correctly. In this algebra lesson, 8th graders solve integers using the order of operation. They apply the commutative as well as the associate property to solve problems correctly.
EngageNY
Putting It All Together
Shuffle 'em up and deal! Learners practice operations with polynomials using cards they pass around the room. The activity works with pairs or individuals, so it offers great flexibility. This is the fifth installment in a series of 42...
EngageNY
Some Potential Dangers When Solving Equations
Need a less abstract approach to introducing extraneous solutions? This is it! Young mathematicians explore properties used to solve equations and determine which operations maintain the same solutions. They eventually find that squaring...
Curated OER
Equivalent or Not Equivalent?
Algebra learners look at equivalent expressions in the context of three different operations: division, squaring, and absolute value. In comparing these values, they will identity when expressions are equivalent.