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Activity
Other

Help With Fractions: Finding the Least Common Multiple

For Students 3rd - 8th Standards
This website gives an excellent explanation of how to find the least common multiple. It offers two different methods and gives easy to follow step by step directions.
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Activity
Annenberg Foundation

Annenberg Learner: Reasoning About Fractions

For Teachers 6th - 8th Standards
Apply the reasoning and proof standard to a problem based on the Fraction Tracks game. Students practice building fractions by combining fraction pieces.
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Activity
Annenberg Foundation

Annenberg Learner: Converting English Lengths

For Students 6th - 8th Standards
Practice converting lengths from one British unit to another. Use your calculator if you need to.
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Activity
Annenberg Foundation

Annenberg Learner: Converting Metric Volume

For Students 6th - 8th Standards
Practice converting volume from one metric unit to another. Use your calculator if you need to.
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Lesson Plan
Annenberg Foundation

Annenberg Learner: Insights Into Algebra 1. Workshop 4

For Teachers 9th - 10th Standards
Determine the height of a bouncing ball by creating a quadratic function for each.
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Lesson Plan
Annenberg Foundation

Annenberg Learner: The X Factor Trinomials and Algebra Tiles

For Teachers 9th - 10th
This is the first of two algebra lesson plans from Annenberg Learning. Find plans to teach students how to factor trinomials. This lesson plan is part of a larger workshop for teachers that offer insights into teaching algebra.
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Lesson Plan
Annenberg Foundation

Annenberg Learner: Insights Into Algebra 1. Workshop 8

For Teachers 9th - 10th Standards
Students will construct a mathematical model of a gear to determine the number of revolutions.
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Website
DOGO Media

Dogo News: Week of 2 11 13: Mathematician Unveils World's Biggest Prime Number

For Students 9th - 10th
Learn about the recent discovery of the longest known prime number, which is 17, 425,170 digits long.
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Lesson Plan
Alabama Learning Exchange

Alex: Investigation of Special Segments of Triangles

For Teachers 9th - 10th
This lesson will enable students to investigate three special segments of triangles in a very concrete way. The students will fold paper triangles to create the segments. This lesson would be a great way for students to explore the...
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Lesson Plan
Alabama Learning Exchange

Alex: Transformations on the Graphing Calculator

For Teachers 9th - 10th Standards
Investigate transformations through use of a graphing calculator and then using graph paper. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
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Activity
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Fractions Into Decimals

For Students 3rd - 8th
This Math Page tutorial explains how to change a fraction to a decimal and features a practice section at the end of the lesson.
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Activity
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Percents Are Ratios

For Students 3rd - 8th Standards
This Math Page tutorial explains how percents are ratios and then features a practice exercise.
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Handout
Other

All math.com: Us/metric Conversion Tables

For Students 9th - 10th Standards
Convert metric measurements to U.S. Measurements and the reverse, too. Easy to follow tables have sections for area, length, mass,temperature and volume.
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Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Building Shapes

For Teachers 3rd - 5th Standards
Based on building a hexagon, this activity from the Math Forum collection focuses on using different combinations of pattern blocks to create a hexagon. An online activity, pencil and paper method, literature connections, and a...
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Unit Plan
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Comparing Ratios and Fractions

For Students 9th - 10th Standards
Dr. Math helps a student see the connection between fractions and ratios using the names of Flintstone characters. A clever approach that requires an understanding of basic algebra concepts.
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Handout
Other

Jfm: The Definition of Riemann Definite Integral

For Students 9th - 10th
This site introduces Riemann definite integral on the closed interval of real. If you are interested in exploring definite integrals, this site may interest you.
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Activity
University of British Columbia

Ubc: The Definite Integral

For Students 9th - 10th
This site is a tutorial on the definite integral.
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Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation

For Students Pre-K - 1st Standards
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
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Lesson Plan
Alabama Learning Exchange

Alex: Lining Up the Decimals

For Teachers 4th - 5th Standards
This instructional activity provides a chance for the students to order decimals from least to greatest and greatest to least. The numbers are based on a student's ability. This lesson plan was created as a result of the Girls Engaged in...
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Handout
Other

The Sigma Notation for Summation of Series

For Students 9th - 10th
Conprehensive site explaining sigma notation. Site has many formulas and a few examples
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Lesson Plan
Hopelink

Hopelink: Math Lesson Idea: Word Problems

For Teachers 3rd - 8th Standards
Teach your students to reason with language and to use imagery to translate language into mathematical equations.
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Unit Plan
Oswego City School District

Regents Exam Prep Center: Metric Conversions and Rates

For Teachers 9th - 10th Standards
Find out all about measurement in this test prep lesson exploring English and metric measurement. Students can compare metric and customary measurements using the conversion charts, assess how much they have learned using the interactive...
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Lesson Plan
Alabama Learning Exchange

Alex: Rational or Irrational? That Is the Question

For Teachers 6th - 8th Standards
Students will participate in an activity that will help them obtain a feeling of how numbers are related to each other. They will determine whether a number is rational or irrational. Students will also be able to order rational and...
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Interactive
Other

After School Excellence: Word Problems Grades 1 3

For Students Pre-K - 1st Standards
This is a resource for elementary word problems. It links to interactive and hands-on sites with videos and strategies.