Algebra

Try it Yourself 5 Tracks 28 Concepts 5 hr 16 min of learning

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Upgrading Human Mental Models

Learn how to think in Workflows

Algebra Preview

Solving is undoing, in reverse order

An equation is a balance. Take off what was added last, undo the multiplication, and the letter is left standing on its own.

Drag nodes and connect the flow to understand the concept

Tracks In This Category

Your First Steps in Algebra

7 parts 1 hr 14 min Beginner

1 Why Does Maths Use Letters Instead of Numbers?

2 What Is a Variable, and Why Use Letters?

3 How Do You Turn a Rule Into a Formula?

4 What's the Difference Between an Expression and an Equation?

5 How Do You Find the Value of an Expression?

6 Why Must You Do the Same Thing to Both Sides?

7 How Do You Solve for x, Step by Step?

Working With Expressions

6 parts 1 hr 2 min Beginner

1 What Are Terms, Factors and Coefficients?

2 What Makes Two Terms Like Terms?

3 Monomial, Binomial, Polynomial: What's the Difference?

4 How Do You Add and Subtract Algebraic Expressions?

5 How Do You Multiply a Term Through a Bracket?

6 How Do You Multiply Two Brackets Together?

Solving Equations Properly

6 parts 1 hr 12 min Beginner

1 How Do You Turn a Word Problem Into an Equation?

2 What Does Moving a Term Across the Equals Sign Do?

3 How Do You Solve an Equation With x on Both Sides?

4 How Do You Solve an Equation That Has Brackets?

5 How Do You Solve an Equation With a Fraction in It?

6 How Do You Check That Your Solution Is Right?

Identities and Factorising

5 parts 1 hr Beginner

1 What Is an Algebraic Identity?

2 Why Does (a + b)² Not Equal a² + b²?

3 How Do You Factorise Using a Common Factor?

4 How Do You Factorise an Expression With Four Terms?

5 How Do You Factorise by Spotting a Pattern?

Algebra on a Grid

4 parts 48 min Beginner

1 What Are Coordinates and How Do You Plot a Point?

2 How Do You Read a Value Off a Graph?

3 What Does the Graph of an Equation Look Like?

4 What Makes a Graph a Straight Line?