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Pre-algebra

Learn pre-algebra—all of the basic arithmetic and geometry skills needed for algebra.

15 units294 videos22 hours

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

Unit 1: Factors and multiples

Factors and multiples

Prime and composite numbers

Prime factorization

Unit 2: Patterns

Math patterns

Writing expressions

Number patterns

Unit 3: Ratios and rates

Intro to ratios

Visualize ratios

Equivalent ratios

Ratio application

Intro to rates

Unit 4: Percentages

Intro to percents

Visualize percents

Equivalent representations of percent problems

Percent problems

Percent word problems

Unit 5: Exponents intro and order of operations

Meaning of exponents

Powers of whole numbers

Powers of fractions and decimals

Order of operations introduction

More on order of operations

Unit 6: Variables & expressions

Parts of algebraic expressions

Substitution & evaluating expressions

Evaluating expressions with multiple variables

Expression value intuition

Evaluating expressions word problems

Writing algebraic expressions introduction

Writing basic algebraic expressions word problems

Distributive property with variables

Combining like terms

Equivalent expressions

Unit 7: Equations & inequalities introduction

Algebraic equations basics

One-step equations intuition

One-step addition & subtraction equations

One-step multiplication and division equations

Finding mistakes in one-step equations

One-step equation word problems

Intro to inequalities with variables

Dependent and independent variables

Analyzing relationships between variables

Unit 8: Percent & rational number word problems

Percent word problems

Rational number word problems

Unit 9: Proportional relationships

Rate problems with fractions

Constant of proportionality

Compare and interpret constants of proportionality

Identifying proportional relationships

Graphs of proportional relationships

Writing & solving proportions

Equations of proportional relationships

Unit 10: One-step and two-step equations & inequalities

Combining like terms

The distributive property & equivalent expressions

Interpreting linear expressions

Two-step equations intro

Two-step equations with decimals and fractions

Two-step equation word problems

One-step inequalities

Two-step inequalities

Unit 11: Roots, exponents, & scientific notation

Square roots & cube roots

Exponent properties intro

Negative exponents

Exponent properties (integer exponents)

Working with powers of 10

Scientific notation intro

Arithmetic with numbers in scientific notation

Scientific notation word problems

Unit 12: Multi-step equations

Equations with variables on both sides

Equations with parentheses

Number of solutions to equations

Equations word problems

Unit 13: Two-variable equations

Graphing proportional relationships

Solutions to linear equations

Intercepts

Slope

Intro to slope-intercept form

Graphing slope-intercept form

Writing slope-intercept equations

Unit 14: Functions and linear models

Functions

Linear models

Comparing linear functions

Constructing linear models for real-world relationships

Recognizing functions

Linear and nonlinear functions

Unit 15: Systems of equations

Intro to systems of equations

Systems of equations with graphing

Solving systems with substitution

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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