EngageNY
Deriving the Quadratic Formula
Where did that formula come from? Lead pupils on a journey through completing the square to discover the creation of the quadratic formula. Individuals use the quadratic formula to solve quadratic equations and compare the method to...
Curated OER
Addition Magic Squares #1
In this math activity, students solve 6 four square addition puzzles in which the numbers must add correctly in the rows and columns. The numbers on these math squares are from 1 to 20. There are 9 worksheets available.
Curated OER
Circus of Shapes: Squares
In this shapes worksheet, students color all squares in a set of shapes that included rectangles, triangles, ovals, circles and squares. Worksheet includes a link to additional activities.
Curated OER
Calculate area of squares and rectangles
In this area learning exercise, students calculate the area of squares and rectangles. Students calculate the area for 2 squares and 1 rectangle.
Curated OER
Circus of Shapes: Squares
In this shape worksheet, students look at a set of shapes, coloring all squares in the set. Shapes given include triangles, rectangles, circles, ovals and squares. Worksheet includes a link to additional activities.
Perkins School for the Blind
Which One is the Square?
Children who are blind need to constantly be engaged in building conceptual understandings of the world around them. This activity will help them grasp the concept of shape, identify shapes, and consider shapes as they are used to...
Kenan Fellows
Multivariate Least Squares Regression Model with Variable Selection
The risk of contracting an infection in the hospital is low, but it does happen. Learn what risk factors have the highest correlation with hospital-acquired infections in the final lesson plan of a three-part series. Using the open...
EngageNY
Getting a Handle on New Transformations 1
In the first of a two-day lesson on transformations with matrix notation the class transforms the unit square using general transformations, then calculates the area of the transformed image. They discover it is the same as finding...
Curated OER
Unit Squares: Reflection, Rotation, Symmetry
In this unit squares activity, students solve 5 problems pertaining to reflection, rotation and symmetry in geometric figures. This page is intended to be an online activity, but can be completed on paper.
Curated OER
Calculator Activity: Magic Squares
In this finding the missing number in the magic square worksheet, learners use calculators to add the rows and columns to find the missing numbers. Students solve three problems.
Curated OER
Solve Quadratic Equations: Complete the Square
In this quadratic equation worksheet, students complete a set of 10 problems, completing the squares. Answers are given o page 2; a reference web site is given for additional activities.
Curated OER
Seventy-Two Factoring Difference of Squares Problems
In this factoring worksheet, students factor seventy-two difference of squares expressions. These problems steadily increase in difficulty.
Curated OER
Linear Systems: Least Square Regression
In this least square regression worksheet, students find solutions to given linear systems. They draw pictures, draw a vector and prove the solution. This two-page worksheet contains eleven problems, with some examples and explanations.
Curated OER
Using a Calculator - Percentages and Square Roots
In this math worksheet, students use a calculator to solve 14 problems that involve square roots, powers, division, addition with fractions, percentages, and multiple step problems with parentheses.
Curated OER
Equations With Square Roots
In this equations learning exercise, students find x in equations with square roots. A website reference for additional resources is given.
Mathematics Assessment Project
Discovering the Pythagorean Theorem
Young mathematicians join the ancient order of the Pythagoreans by completing an assessment task that asks them to find the area of tilted squares on dot paper. They then look at patterns in the squares to develop the...
University of Utah
Integer Exponents, Scientific Notation and Volume
A one-stop resource for exponents, square and cube roots, scientific notation, and volume formulas guides learners through properties of exponents. As they learn to apply these properties to operations with scientific notation,...
EngageNY
Stretching and Shrinking Graphs of Functions
Why is that graph wider? Pupils learn about stretching and shrinking graphs of square root, absolute value, cubic, and quadratic functions. They study both vertical and horizontal stretches and shrinks in addition to reflections.
PreKinders
A World of Shapes
There are shapes everywhere you see! Use a presentation about shapes to encourage young learners to find squares, circles, triangles, and rectangles in a series of pictures. One slide shows kids what the shapes look like, and then a...
Howard Hughes Medical Institute
The Teosinte Hypothesis
Don't want to sound corny, but your class will be a-maize-d by an engaging activity! Explore the history of the modern corn plant through a video and Punnett squares. Junior genetics experts get hands-on experience with actual research...
Kenan Fellows
Least Squares Linear Regression in R
The task? Determine the how effective hospitals are at reducing the rate of hospital-acquired infections. The method? Data analysis! Using an open source software program, individuals use provided data and create scatterplots to look for...
5280 Math
Multiplication Table Algebra
Patterns, patterns, everywhere! Young scholars examine the multiplication table to identify patterns. Their exploration leads to an understanding of the difference of squares and sum of cubes by the completion of the algebra project.
National Security Agency
Awesome Area - Geometry and Measurement
Break out those math manipulatives, it's time to teach about area! Capturing the engagement of young mathematicians, this three-lesson series supports children with learning how to measure the area of squares, rectangles, and other...
Houghton Mifflin Harcourt
Unit 7 Math Vocabulary Cards (Grade 2)
Reinforce math vocabulary instruction with a set of flash cards. Fifty-six cards offer either a bold-face word or a picture representation equipped with descriptive labels. Terms include centimeters, gallons, square units, and more!...
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