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Algebra 1 (Eureka Math Squared-aligned)

This course contains Khan Academy practice problems crafted to support the Eureka Math Squared (EM2) curriculum. Designed to make it easier for districts, teachers, and students to find and use practice problems that complement EM2 lessons, this course was not produced in official partnership with Eureka Math Squared.

6 units257 videos22 hours

Learn it live with a class on Puzzicle · Teachers: use it with your class

Unit 1: Expressions, equations, and inequalities in one variable

The commutative, associative, and distributive properties

Polynomial expressions

Adding and subtracting polynomial expressions

Multiplying polynomial expressions

Polynomial identities

Printing pressed

Solution sets for equations and inequalities in one variable

Solving linear equations in one variable

Writing and solving equations in one variable

Rearranging formula

Solving linear inequalities in one variable

Solving and graphing compound inequalities

Solving absolute value equations

Solving absolute value inequalities

Distributions and their shapes

Describing the center of a distribution

Using center to compare data distributions

Describing variability in a univariate distribution using standard deviation

Estimating variability in data distributions

Comparing distributions of univariate data

Unit 2: Equations and inequalities in two variables

Solution sets of linear equations in two variables

Graphing linear equations in two variables

Creating linear equations in two variables

Solution sets of linear equations in two variables

Graphing linear inequalities in two variables

Applications of linear equations and inequalities

Low-flow showerhead

Systems of linear equations in two variables

A new way to solve systems

The elimination method

Applications of systems of equations

Solution sets of systems of linear inequalities

Graphing solution sets of systems of linear inequalities

Applications of systems of linear inequalities

Relationships between quantitative variables

Using lines to model bivariate quantitative data

Modeling relationships with a line

Calculating and analyzing residuals

Analyzing residuals

Analyzing bivariate quantitative data

Summarizing bivariate categorical data with two-way tables

Bivariate categorical data and conditional relative frequency tables

Conditional relative frequencies and association

Unit 3: Functions and their representations

The definition of a function

Representing, naming, and evaluating functions

The graph of a function

Representations of functions

Exploring key features of a function and its graph

Identifying key features of a function and its graph

Representing functions from verbal descriptions

Using graphs to solve equations

Comparing functions

Piecewise linear functions

Step functions

Building new functions—translations

Building new functions—reflections

Building new functions—vertical scaling

Building new functions—horizontal scaling

A summary of transforming the graph of a function

Unit 4: Quadratic functions

Falling objects

Projectile motion

Analyzing functions that model projectile motion

Graphs of quadratic functions

Solving quadratic equations by factoring: Identities and guess and check

Creating and solving quadratic equations in one variable

Zeros of functions

Graphing quadratic functions from factored form

Using square roots to solve quadratic equations

Solving quadratic equations by completing the square

Deriving the quadratic formula

Solving quadratic equations

Rewriting square roots

The quadratic formula and zeros of a function

Transforming the graphs of quadratic functions

Completing the square to graph quadratic functions

Creating equations of quadratic functions to model contexts

Another look at systems of equations

Modeling data with quadratic functions

Unit 5: Linear and exponential functions

Exploring patterns

The recursive challenge

Arithmetic and geometric sequences

Representations of arithmetic and geometric sequences

Exponential functions

Rational exponents

Using transformations to graph exponential functions (bases greater than 1)

Using transformations to graph exponential functions (bases between 0 and 1)

Writing equations for exponential functions from tables or graphs

Calculating interest

Exponential growth

Modeling populations

Analyzing exponential growth

Comparing growth of functions

World population prediction

A closer look at populations

Unit 6: Modeling with functions

Analyzing paint splatters (Optional)

Using residual plots to select models for data

Populations of US cities

Designing a fundraiser

World record doughnut

Learn this with a class

With a class on Puzzicle this course runs as a timetable of live study parties: your batch watches together and answers the check-ins, sometimes with a teacher leading.

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