Interactive
CK-12 Foundation

Direct Variation: Value of a Painting

For Students 9th - 12th Standards
Help your pupils find a pattern of direct variation. Young scholars use input-output pairs to find a constant of variation and then write the equation. As they build their equations, the interactive lesson provides feedback.
Interactive
CK-12 Foundation

Using Quadratic Equations to Solve Problems: Construct a Soccer Field

For Students 8th - 10th Standards
Build a soccer field through a little mathematical analysis. Individuals manipulate the dimensions of a soccer field as they drag points to new positions. The simulation shows the corresponding intercepts and area. As pupils explore the...
Interactive
CK-12 Foundation

Sums of Integers with Different Signs: Adding Between 10 and -10

For Students 6th - 8th Standards
Six questions make up an interactive designed to boost scholars' knowledge of integers. Mathematicians move symbols over a horizontal number line to aid in findings answers between 10 and negative 10. Question types include...
Interactive
Curated OER

Solve Five Quadratic Equations Using the Quadratic Formula

For Students 8th - 11th
For this solving quadratic equations worksheet, students solve five quadratic equations by using the quadratic formula.  Students also review using the discriminant, solving by factoring, and solving by completing the square. ...
Interactive
Curated OER

Five Quadratic Formula Problems With Examples

For Students 8th - 10th
In this quadratic equation worksheet, students solve five quadratic equations using the quadratic formula.  Several fully worked examples are provided.
Interactive
CK-12 Foundation

Solving Problems by Factoring: Building a Doghouse

For Students 8th - 10th Standards
Building a doghouse is easier with a little mathematical help! Young scholars use sliders to adjust the length of the doghouse and watch as it affects the width and area. They then answer questions that help them discover the question...
Interactive
CK-12 Foundation

Function Rules for Input-Output Tables: Soda Sugar Function Table

For Students 6th - 9th Standards
Examine the relationship between the input and output variables in a table of values. As learners build an input-output table using online manipulatives, they begin to identify patterns. They answer questions about these patterns...
Interactive
Curated OER

Quadratic equations

For Students 11th
In this Algebra II instructional activity, 11th graders use the quadratic formula to solve quadratic equations.  The interactive lesson contains explanation and worked examples with five practice problems.  Answers are not...
Interactive
Curated OER

Quadratic Equations

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students investigate the various methods that can be used to solve quadratic equations.  The one page interactive worksheet contains instruction, worked examples and five practice...
Interactive
Curated OER

Expressions from Sentences

For Students 7th - 9th
In this algebra worksheet, students rewrite sentences into algebraic equations using variables and solve for the unknown. There are 10 interactive questions with an answer key.
Interactive
Curated OER

Discriminant and Quadratics

For Students 10th - 12th
In this quadratic equation, students find the discriminant using the formula given and identify how many solutions a quadratic function will have. There are 3 problems with answers and examples.
Interactive
Curated OER

Magnetic Units of Measurement

For Students 10th - Higher Ed
In this magnetic circuits learning exercise, learners answer 16 questions about magnetic flux, resistance, voltage, current, and reluctance.