Main content

# Module 3: Expressions and equations

Learn

Intro to combining like termsSimplifying expressionsCombining like terms challenge problemSimplifying expressions with rational numbersThe distributive property with variablesFactoring with the distributive propertyEquivalent expressions: negative numbers & distributionInterpreting linear expressions: flowersInterpreting linear expressions: diamonds

Practice

Combining like terms with negative coefficientsGet 5 of 7 questions to level up!

Combining like terms with negative coefficients & distributionGet 3 of 4 questions to level up!

Combining like terms with rational coefficientsGet 3 of 4 questions to level up!

Distributive property with variables (negative numbers)Get 3 of 4 questions to level up!

Equivalent expressions: negative numbers & distributionGet 5 of 7 questions to level up!

Interpreting linear expressionsGet 3 of 4 questions to level up!

Learn

Intro to two-step equationsSame thing to both sides of equationsTwo-step equations intuitionWorked example: two-step equationsTwo-step equations with decimals and fractionsTwo-step equations with decimals and fractions Find the mistake: two-step equationsTwo-step equation word problem: computersTwo-step equation word problem: gardenTwo-step equation word problem: orangesOne-step inequalities examplesOne-step inequalities: -5c ≤ 15One-step inequality word problemOne-step inequalities reviewTwo-step inequalitiesTwo-step inequality word problem: applesTwo-step inequality word problem: R&B

Practice

Two-step equationsGet 5 of 7 questions to level up!

Two-step equations with decimals and fractionsGet 5 of 7 questions to level up!

Find the mistake: two-step equationsGet 3 of 4 questions to level up!

Interpret two-step equation word problemsGet 3 of 4 questions to level up!

Two-step equations word problemsGet 3 of 4 questions to level up!

Plotting inequalitiesGet 3 of 4 questions to level up!

Inequality from graphGet 3 of 4 questions to level up!

One-step inequalitiesGet 5 of 7 questions to level up!

Two-step inequalitiesGet 5 of 7 questions to level up!

Two-step inequality word problemsGet 3 of 4 questions to level up!

Learn

Radius, diameter, circumference & πLabeling parts of a circleRadius, diameter, & circumferenceArea of a circleRelating circumference and areaPartial circle area and arc lengthArea of composite shapesPerimeter & area of composite shapesSurface area of a box (cuboid)Surface area of a box using netsVolume of triangular prism & cubeVolume of a rectangular prism: fractional dimensionsVolume with fractional cubesArea of circles reviewCircumference review

Practice

Circumference of a circleGet 3 of 4 questions to level up!

Area of a circleGet 5 of 7 questions to level up!

Area of parts of circlesGet 3 of 4 questions to level up!

Area of composite shapesGet 3 of 4 questions to level up!

Surface area using netsGet 3 of 4 questions to level up!

Surface areaGet 3 of 4 questions to level up!