Inside Mathematics
Magic Squares
Prompt scholars to complete a magic square using only variables. Then they can attempt to solve a numerical magic square using algebra.
Mathed Up!
Completing the Square
Learners review how to use the completing-the-square method to identify maximum and minimum values of a quadratic function by watching a video. They see how the vertex form relates to the extreme values of a quadratic function, and use...
Curated OER
Least Squares
In this least squares worksheet, students solve 6 different problems that include the least squares of numbers. First, they plot 3 points on the axes shown and draw in their best approximating line. Then, students estimate the slope and...
Mathematics Assessment Project
Square
Don't be a square! Young mathematicians determine the slope and length of a line segment. They then prove whether four given coordinate points form a square.
Curated OER
The Corners of a Square
In this geometry worksheet, 10th graders cut the corners off of a square so that a regular octagon remains. Students determine the length of each side of the octagon. The one page worksheet contains one problem with the solution.
Curated OER
Estimating Square Roots
In this square roots worksheet, 9th graders solve and complete 11 different problems that include estimating various square roots. First, they determine the value of each given square root to the nearest tenth. Then, students find the...
Inside Mathematics
Squares and Circles
It's all about lines when going around. Pupils graph the relationship between the length of a side of a square and its perimeter. Class members explain the origin in context of the side length and perimeter. They compare the graph to the...
Curated OER
Genetics PowerPoint
If mom is bald, will her babies be bald? Here is a practical presentation that can answer that question. Viewers can take notes on the difference between dominant and recessive genes, mutations, and heritability. A large portion of the...
Curated OER
Angles Activities
A series of geometry worksheets have mathematicians constructing, dissecting, overlapping, and measuring as they analyze angles in various contexts. Learners use symmetry and reflections in a compass rose to write instructions on...
Explore Learning
Quadratics: Polynomial Form
Throught this subscription-based sight, learners explore different aspects of the parabola by changing equations from standard to vertex form. Next, find the general form of the vextex based on the values of a, b, and c, and investigate...
Curated OER
Of Mice and Men Chapters 3 & 4 Vocabulary
Before your class reads chapters three and four in Of Mice and Men, have them complete this magic squares activity to review some vocabulary in the upcoming chapters. Twenty-five words are introduced, and learners identify the correct...
Serendip
Genetics
A handout on genetic inheritance begins with a reading on alleles and how they can result in albinism. Junior geneticists learn to complete Punnett squares and participate in a coin toss simulation of allele pairing. They also learn...
Curated OER
Factoring Perfect Squares
In this factoring learning exercise, students factor perfect squares. Explanations and examples are provided at the beginning of the learning exercise. This two-page learning exercise contains ten problems.
Curated OER
Difference of Squares
In this binomial worksheet, students explore the difference of squares method to multiply binomials. This two-page worksheet contains ten problems.
Curated OER
Worksheet #9 - Factoring Polynomials
Factoring practice using the GCF, difference of squares, and factoring by grouping is included in this worksheet. Questions are either short answer or multiple choice.
EngageNY
Recognizing Equations of Circles
What does completing the square have to do with circles? Math pupils use completing the square and other algebraic techniques to rewrite equations of circles in center-radius form. They then analyze equations of the form x^2 + y^2 + Ax +...
Curated OER
Completing the Square
In this polynomial worksheet, learners complete the square of a given problem. Explanations and examples are provided. This two-page worksheet contains ten problems.
Curated OER
Numerical Analysis: Discrete Least Squares
In this discrete least squares worksheet, students use a linear algebra approach to discrete last squares approximation. This two-page worksheet contains approximately 10 problems.
Curated OER
Squares and Rhombi
In this squares and rhombi activity, 10th graders solve 12 various types of problems that relate to the measurement of a rhombus shown and squares shown. First, they use the square ABCD and the given information to find the value for...
Curated OER
More on Least Squares
In this least squares worksheet, students solve 3 different problems that include determining the least squares of equations. First, they use the data given in the table to write out the normal equations a system of 2 equations in 2...
Curated OER
Movie Magic Square
For this magic square worksheet, students solve equations to determine the numbers to be placed in grids. This one-page worksheet contains 25 problems.
Curated OER
The Trivia Magic Square
In this trivia magic square instructional activity, students fill in the magic square from given clues. This one-page instructional activity contains a five by five square. The answer is provided.
Curated OER
Vertex Form of Parabolas
Using the method of completing the square, algebra learners rewrite quadratic equations from standard form to vertex form. They will also graph quadratics, stating the vertex and axis of symmetry. Solutions are provided.
Curated OER
Area, Arithmetic and Algebra
Explore the concept of this perfect square trinomial and difference of squares lesson. A hands-on activity that uses paper rectangles and squares to illustrate the perfect-square trinomial and difference of squares formulas.