Curated OER
Long Division With Zero In the Dividend
This long division PowerPoint provides students with an overview of how to solve long division problems with a zero in the dividend. There are clearly stated steps in this PowerPoint, as well as an acronym to help students remember the...
Super Teacher Worksheets
Number Line
It's a printable number line to 100! Cut it out and use the easy tabs to glue into one long number line.
University of Texas
Complex Numbers
Are complex numbers and binomials similar? This stack of slides provides an introduction to complex numbers and shows how to operate with them. The worked examples show a connection between operating with binomials and operating with...
Balanced Assessment
Scaling the Stars
Examine ratio and scale through coordinate geometry. Scholars use two diagrams of different scale to calculate perimeter and area. Then, individuals use the perimeters and areas to find ratios.
Balanced Assessment
MasterMind
Knowledge of statistics and probability can increase your advantage when playing games. The activity asks learners to analyze the game of MasterMind to determine the number of possible codes. They also examine different variations of the...
Concord Consortium
Three Circles
Round and round and round we go. Given a diagram of three circles, two of which share a point with the third circle, learners identify the radius of each circle. Doing so requires setting up and solving a system of equations based on the...
College Board
2010 AP® Calculus BC Free-Response Questions
What do a zoo, snow, and a moving particle have in common? The six free-response items from the 2010 AP® Calculus BC exam allow teachers and pupils see how items may show up in context. Three of the questions are from only the BC portion...
Curated OER
Understanding Fractions
Students explore the parts of an orange to develop an understanding of the addition and subtraction of fractions. The concept of representing parts of a whole by dividing an object into smaller pieces is experienced in this hands-on...
Curated OER
The Geometry of Paul Goble's Artwork
Students examine the concepts of geometry used by Paul Goble in his book Adopted By The Eagles. After analyzing Mr. Goble's work they create an original piece featuring symmetry, pattern, repetition, and other principles of geometry....
Curated OER
Introduction to Parallel Lines in Euclidean Space and in Spherical Space
Eighth graders are introduced to the basic concepts of Geometry and their definitions in Euclidean space. They draw and define the following terms: point, line, and line segment. Students also define the terms colliner and...
Curated OER
Significant What?
Young scholars define accuracy and precision, and differentiate between the two terms, apply the concepts of accuracy and precision to a given situation and correctly apply the concept of significant figures to measurement and...
Ohio Department of Education
Fraction and Decimal Equivalency
Mathematicians make representations of fractional parts of a whole and learn that a decimal is another way to represent a fractional part. Understanding is extended by comparing and ordering fractions and decimals on a number line. This...
Curated OER
Pythagorean Theorem
Eighth graders draw right triangles and identify the parts of a right triangle: right angle, interior and exterior angles, hypotenuse and legs. They predict and identify any relationships that exist between the sides of a right...
Curated OER
Caesar Ciphers: An Introduction to Cryptography
Learners brainstorm and discuss the concept of cryptography, the science of secrets in today's world and then focus on a system for sending secret messages used by Julius Caesar. They make a Caesar wheel assessing encrypting and...
Curated OER
Sew, You Want To Quilt?
Learners become familiar with the achievements of the artist Faith Ringgold. They take notice of the patterns in their environment. They connect the mathematical concept of patterns to create a class quilt.
Curated OER
Scientific Notation III: Linear vs Exponential
High schoolers after investigating examples of exponential growth students have an intuitive feel for the concept of exponential growth of a system.
Curated OER
Lesson 5: Creating a Budget
Students define and discuss concepts of income and expense, figure out monthly take home pay, keep track of their spending for one month, identify at least ten categories of expenses, and develop budgets to prevent falling into debt.
Curated OER
Reflecting a Triangle in the Coordinate Plane
Learners explore geometric concepts using technology. They manipulate the TI to find important math topics. This activity requires a TI-84 or higher.
Curated OER
What Did It Cost 100 Years Ago?
Students compare prices of good across the century in order to introduce the topic of inflation. They undertand the concepts of inflation and Consumer Price Index (CPI), use online calculators to figure the approximate cost of goods...
Curated OER
Walking On The Number Line
Students investigate the concepts of expressions and equations while defining the similarities and differences. They explore the operations by using a number line and record answers while working with the teacher. Students play the game...
Curated OER
Reflections in the Plane
Have your class explore the concept of reflections as they use Cabri Jr. to construct a triangle and reflect it over a line. Learners reflect shapes across the coordinate plane and across the lines y = x and y = -x.
Curated OER
Spending Plans
Students explore the concept of dividing their money into categories, namely "save," "spend," and "share." They engage in activities that help them explain that money is limited in quantity and must be divided for different purposes.
Curated OER
"Grocery Store"
Students purchase grocery items from the classroom grocery store using appropriate play coins and bills. Students define various economic terms. Students comprehend the concept of a medium for exchange.
Curated OER
Adding Polynomials with Algebra Tiles
Students practice adding polynomials using algebra tiles. Students view a PowerPoint presentation in which they are introduced to the concept of modeling polynomials using a scaled down version of algebra tiles. Students walk through...
