EngageNY
Ptolemy's Theorem
Everyone's heard of Pythagoras, but who's Ptolemy? Learners test Ptolemy's Theorem using a specific cyclic quadrilateral and a ruler in the 22nd installment of a 23-part module. They then work through a proof of the theorem.
West Contra Costa Unified School District
Geometric Sequences
Place a instructional activity on sequences in your sequence of lessons. Scholars first learn the basics of geometric sequences, such as common ratios and then they write recursive and explicit formulas for geometric sequences.
Kenan Fellows
Math Made Simple as 1-2-3: Simplified Educational Approach to Algebra
Writing an equation of a line is as easy as m and b. A lesson presentation gives individuals different strategies for writing equations of lines. Some items provide a slope and a point while others provide two points. Whatever the given,...
Geometry Accelerated
Accelerated Geometry Review Sheet
Your geometry learners use their knowledge of various geometric concepts to write proofs. Starting with givens containing parallel line segments with transversals and triangles and quadrilaterals, and the mid-point and distance formulas;...
Curated OER
Solving Equations and Formulas
In this equations and formulas worksheet, 9th graders solve and complete 10 different problems. First, they solve for each stated variable using the properties of equality to isolate the specified variable on one side of the equation....
Curated OER
Distance Formula
Students create ways to find the number of square miles that lie in a triangle having vertices at A, B, and C. They compute the distance between two points and use Heron's formula to find the area of the triangle. Finally, students...
Curated OER
Formula
For this formula worksheet, students read story problems, determine necessary information, and substitute the amounts in an equation. This two-page worksheet contains 5 multi-step problems.
Curated OER
Extra Practice 12: Solving Formulas
In this formula worksheet, students solve formulas for a given variable. There are twelve problems on this one-page worksheet.
Curated OER
Solving Formulas
In this math worksheet, middle schoolers find the solutions while applying the formulas. Then they work to isolate one of the variables to a side.
Curated OER
Solve Five Quadratic Equations Using the Quadratic Formula
In this solving quadratic equations instructional activity, students solve five quadratic equations by using the quadratic formula. Students also review using the discriminant, solving by factoring, and solving by completing the...
Curated OER
The Pythagorean Theorem, the Distance Formula, and Slope
Students explore the concept of the Pythagorean Theorem. In this Pythagorean Theorem lesson, students derive the distance formula and slope of a line from the Pythagorean Theorem.
Curated OER
Five Quadratic Formula Problems With Examples
In this quadratic equation learning exercise, students solve five quadratic equations using the quadratic formula. Several fully worked examples are provided.
Curated OER
Solving Quadratic Equations Using the Quadratic Formula: Extra Practice 43
In this math worksheet, learners use the quadratic formula to solve quadratic equations. Students put the equation into the ax^2+bx+c=0 format. They substitute the values of a, b, and c into the quadratic formula and solve for the variable.
Curated OER
The Quadratic Formula
In this Algebra II worksheet, 11th graders use the quadratic formula to solve quadratic equations and examine the discriminate to determine the number and type of roots a quadratic equation will have. The two page worksheet contains...
Curated OER
Quadratic Formula
Students factor and solve quadratic equations.In this algebra lesson, students identify the roots of an equation using the quadratic formula. They graph and identify the properties of a parabola.
Curated OER
Organic Chemistry Practice Test
Framed as an organic chemistry practice test, this resource could be used for a variety of purposes. Composed of 15 questions about organic compounds such as isomers, alkynes, alkenes and amines, and other topics related to organic...
Math Worksheets Land
Recognize Area as Additive - Step-by-Step Lesson
Do your scholars have a basic understanding of area calculations? Give them an extra challenge with this irregular shape missing one of its length measurements. Using the given lengths, they figure the area of the entire shape. The...
Yummy Math
How Much Wrapping Paper Can You Save?
Give the ultimate gift this holiday season: Christmas-themed math skills! Young gift givers calculate the amount of wrapping paper that should be used for a particular wrapping method.
Willow Tree
Linear Relationships
There's just something special about lines in algebra. Introduce your classes to linear equations by analyzing the linear relationship. Young mathematicians use input/output pairs to determine the slope and the slope-intercept formula to...
Inside Mathematics
Conference Tables
Pupils analyze a pattern of conference tables to determine the number of tables needed and the number of people that can be seated for a given size. Individuals develop general formulas for the two growing number patterns and use them to...
College of Marin
General Addition and Multiplication Rules of Conditional Probabilities
Making connections between multiple methods of solving problems is an important part of understanding conditional probability. The lesson shows solutions to problems using Venn diagrams, tree diagrams, formulas, and two-way tables....
Willow Tree
Perimeter of Common Geometric Figures
Help learners understand that perimeter and circumference are one in the same. Learners apply their skills to determine the perimeter/circumference of triangles, rectangles, and circles. They then use the same strategy to find the...
Balanced Assessment
Sloppy Student I
"Does this work every time?" We've all heard it. Now learners get to explore methods to answer that question themselves. Pupils analyze a mistake that has been made with creating a formula for multiplying binomials. They then create...
EngageNY
Perimeter and Area of Triangles in the Cartesian Plane
Pupils figure out how to be resourceful when tasked with finding the area of a triangle knowing nothing but its endpoints. Beginning by exploring and decomposing a triangle, learners find the perimeter and area of a triangle. They then...