Waterloo Mathematics
Grade 7 Patterning and Algebra: Algebraic Expressions
Classmates solve 18 different problems that are mostly word problems that apply algebraic expressions. They draw different combinations of masses on a scale that would balance. They also simplify expressions and solve for x in a number...
PHET
Expression Exchange
Bank on your ability to write equivalent expressions. Scholars use an interactive to create expressions using coins. They then convert these to algebraic expressions and figure out how to evaluate them. A game with various difficulty...
Illustrative Mathematics
6.EE.4 Equivalent Expressions
Straight to the point, learners are asked to compare a set of five expressions, determine which are equivalent, and then write equivalent equations for those that do not have any. A benefit is that they will review using properties of...
Illustrative Mathematics
Rectangle Perimeter 2
While this activity is centered around expressions that represent the perimeter of a rectangle, it also hits at the fundamental concept of equivalent expressions, simplifing expressions, and like-terms. Classmates express their...
Math Flix
Countdown Challenge: Equivalent Expressions
Young mathematicians solve and complete eight different problems that include writing several equivalent expressions. They determine the number of tiles required to border around a square pool of the given dimensions. This terrific...
Curated OER
Simplifying Expressions (1 of 2)
In this simplifying expressions instructional activity, pupils combine like terms and complete 18 different problems.
Curated OER
Substitute into Simple Expressions
Learners simplify simple equations. Using a maze game, young mathematicians speculate about the size of different algebraic values and what other equivalent expressions might look like. It is a nice beginning activity for introducing...
New Mexico State University
Agrinautica
Individuals play a computer game to terraform planets. Learners add plants, animals, fungi, and minerals to the planet surface by creating numerical expressions that represent the objects. After playing the game for a while, the class...
Curated OER
Equivalent Algebraic Expressions
This online worksheet can be printed, projected on the board, or used as example problems for the class to solve. They write equivalent expressions for a set of given equations, 14 total. This page contains an answer link and links to...
Curated OER
Formulae
Learners complete a 24 page unit. They solve expressions by plugging in values, and translate words into algebraic equations. Included are: mixed operations, square roots, exponents and negative numbers. This resource provides a good...
EngageNY
Factoring Expressions
Factor in an informative resource when teaching about factoring. The 11th lesson in a 36-part module shows pupils how to factor algebraic expressions by applying the distributive property. Some of the problems involve expressions with...
EngageNY
Distributing Expressions
You know how to factor expressions; now it's time to go the opposite way. Scholars learn to write algebraic expressions in expanded form using the distributive property. A problem set helps them practice the skill.
Math Mammoth
Add and Subtract Rational Expressions With Unlike Denominators
The class solves 19 problems involving rational expressions. They find the least common denominator of fractions, make fractions equivalent and then add or subtract fractions containing rational expressions.
Utah Education Network (UEN)
Expressions and Equations
Variables may be unknown, but expressions and equations are easy to understand. Pupils learn to write, evaluate, and simplify numeric and algebraic expressions. They also investigate how to write and solve simple equations and...
Curated OER
The Distributive Property
MIddle schoolers use the distributive property to combine terms in six expressions. They write nine expressions in simplest form. Middle schoolers perform one mental math problem, describing how they would solve the multiplication mentally.
Under the Dome
Consecutive Number Sums
Determine equivalent methods to find sums of consecutive numbers. Learners watch a video of a computer program that finds the sum of five consecutive numbers given a starting number. Pupils hypothesize how to determine the sum without...
EngageNY
The Relationship of Multiplication and Addition
You know 4 + 4 + 4 = 3(4), but what about x + x + x? Pairs work together to develop equivalent expressions relating multiplication and addition in the third lesson of a 36-part series. They extend their knowledge of multiplication as...
Curated OER
Ratios and Equivalent Ratios
In this equivalent ratios learning exercise, students simplify 6 ratios and write each in 2 different ways. Students solve 8 proportional equations using equivalent ratios to find a missing term. Students solve 2 test prep questions...
EngageNY
Writing Division Expressions II
Division is division is division is division ... four different ways to write division. Scholars continue to learn about division expressions. They translate between several forms, including verbal phrases, expressions using the division...
Utah Education Network (UEN)
Fluency
Become fluent in the language of mathematics. Scholars learn to divide multi-digit whole numbers as well as see how to determine the greatest common factor and least common multiple. They also investigate how to apply the distributive...
EngageNY
Writing Addition and Subtraction Expressions
Symbols make everything so much more concise. Young mathematicians learn to write addition and subtraction expressions — including those involving variables — from verbal phrases. Bar models help them understand the concept.
EngageNY
Read Expressions in Which Letters Stand for Numbers II
Reading and writing take on a whole different meaning in math class. Young mathematicians learn to read verbal phrases by focusing on operation words. They write equivalent algebraic expressions for both mathematical and contextual...
Del Mar College
Translating Verbal Expressions
Help scholars translate verbal expressions into numerical expressions. The two-page document is comprised of descriptions and examples that showcase terms and phrases related to addition, subtraction, multiplication, division, powers,...
Curated OER
Equivalent Equations
Answer the age-old question every middle schooler has, what are equivalent equations? Here, they will explore the concept, discuss what equivalent equations are, and how to solve them. They also discuss performing an operation on both...