Curated OER
Fantasy Baseball
Check out this thematic unit, based on the game of baseball. Learners investigate numbers and number relations as they become familiar with some of the basic terminology associated with the game. They focus their attention on actual...
Curated OER
Number and Number Relations
Upper graders multiply numbers by tens and hundreds, and multiply two and three digit numbers by one digit numbers. They participate in a teacher-led lecture and complete examples with the class, complete a worksheet, and discuss the...
Curated OER
Comparing/Ordering Numbers
Third graders compare numbers. In this math lesson students compare ones, tens, and hundreds. They also order numbers from least to greatest and from greatest to least.
Wolfram Research
Wolfram Math World: World's Most Extensive Mathematics Resource
MathWorld provides a huge mathematics encyclopedia detailing the concepts of geometry, algebra, calculus, discrete math, number theory, and other math topics--complete with formulas, diagrams, examples, and references for thorough...
Other
Athens State University: Greater Than, Less Than
A very thorough lesson plan where middle schoolers explore the concept of "less than" and "greater than," using cookies.
Wyzant
Wyzant: Fraction Mixed Number Calculator
Are you struggling with comparing fractions? Then try the fraction inequality calculator. Simply key in your two fractions, press the calculate button, and in seconds youll have an answer. The perfect tool for algebra students who need...
Can Teach
Can Teach: Math Centers
This page offers a variety of math center ideas for general math and geometry. Instructions on setting up the center are not provided for most ideas, however, those lacking instructions are pretty self-evident.