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Curated OER
Division of Monomials
Students relate the division of monomials to multiplication. For this division of monomials lesson, students divide monomials by factoring and dividing common factors from the originals. They check their answers by multiplication. As...
Curated OER
Number Line Math
Second graders use a number line to practice subtraction. In this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.
Curated OER
Picture the Problem
Students create an illustration of how to solve math problems. They use appropriate resources for solving the problems. Students have to demonstrate how drawing diagrams and using pictures can help them by using KidPix. On Slide One,...
Curated OER
Pocket Change
Students explore algebraic relationships using the coins in their "pocket." Interactive games that demonstrate the use of estimation in algebraic problem solving help them build a framework for understanding word problems in a way that...
Curated OER
Making It All Add Up!
Students use technology resources for problem solving. They complete math problems or integrated science problems dealing with math concepts using an online calculator.
Curated OER
Alternative Alphabet
Young scholars determine and compare hieroglyph content and frequency to an alternative alphabet based on symbols that mimic sounds of the alphabet.
Curated OER
Measuring a Mummy Case
Learners practice how to calculate volume using mummy cases. They measure using ancient Egyptian, U.S., and metric systems. They explore how to convert measurements into different systems, and discuss ratios.
Curated OER
What's Below Zero?
Students examine the concept of positive and negative integers, adding and subtracting integers on a number line. They visit various Internet websites, solving problems using integers and completing a worksheet.
Curated OER
Estimating Altitude of Water Cloud Base
Students conduct an experiment to determine dew point and use a formula to detemine altitude. They construct a chart and predict what altitude clouds would form, given the dew point on the ground.
Curated OER
MT-A315 Introduction to Linear Algebra
In this algebra worksheet, students practice using number sets and principles of algebra to solve each complex problem using number sense.
Free Math Help
Free Math Help: Arithmetic Mean
Students learn how to find the arithmetic mean of data. The tutorial consists of a definition and examples with detailed solutions.
University of Regina (Canada)
University of Regina: Math Central: Arithmetic Sequence and Series
Three lessons on how students can discover the basics of arithmetic sequences, arithmetic means, and arithmetic series. Each lesson has an overview, materials, procedures, and evaluation techniques.
Shodor Education Foundation
Shodor Interactivate: Mean, Median, and Mode Discussion
This is a virtual discussion between a mentor and student involving mean, median, and mode. Discusses when each is used and how they are found.
Rice University
Hyper Stat Online Statistics Textbook: Arithmetic Mean
This resource gives a definition of a mean and provides a formula for finding a statistical mean.
University of Georgia
University of Georgia: Inter Math: Geometric Mean
This site gives a description of the geometric mean with a graphical representation. Be sure to use the links to related terms, everyday examples, interactive check point, more information, and challenges involving located in the...
University of Georgia
University of Georgia: Inter Math: Mean
This site from InterMath explains what a mean is and gives an example. Be sure to follow the links to related terms, challenging problems, more information, and the interactive check point involving means located in the left-hand column.
Primary Resources
Primary Resources: Mean, Median, Mode, and Range
Here are some teacher resources to aid in teaching mean, median, mode and range. Includes worksheets, games, and PowerPoint presentations.
Texas Instruments
Texas Instruments: Numb3 Rs: Harmonizing Means
Based off of the hit television show NUMB3RS, this lesson exposes students to a different type of average, the harmonic mean. Although it is briefly reviewed in the lesson, students are expected to already be familiar with arithmetic and...
Khan Academy
Khan Academy: Meaning of Division
In this exercise, students show that they understand the meaning of division. Students receive immediate feedback and have the opportunity to get hints, view a video lesson, and try questions repeatedly.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Multiplying and Dividing by Powers of 10: The Meaning of Percent
This excellent math resource explains and defines the meaning of percent. Multiplying and dividing by a power of 10 is incorporated as a preview to understanding scientific notation.
Other
Pallladio: The Geometric Mean
This site details a specific problem using the geometric mean. At the bottom of the page is a summary of the geometric mean.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Multiplication: Mental Calculation
If you are looking for a website that explains and defines the basics of mental multiplication with helpful hints then you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.