Illustrative Mathematics
Mile High
What is the meaning of sea level? This resource helps your class understand the meaning of elevations above, below, and at sea level. Provides for good discussion on using positive and negative numbers to represent quantities in the real...
Curated OER
Mathematical Induction Problems
For this induction problem worksheet, students show that given equations can be divisible by a specified number through the process of induction. This one-page worksheet contains sixteen problems.
Curated OER
Min/Max Problems - Week 13
In this minimum and maximum worksheet, student find the maximum and minimum values of given functions. They determine the largest and least altitude of a scalene triangle under given conditions. Students find the largest value of pairs...
Curated OER
Cherries Still Positive, Lemons Still Negative
Third graders explore positive and negative integers. This follows a lesson entitled, Cherries Are Positive, Lemons Are Negative and uses Cherry heads and Lemon heads.
University of South Florida
Fcat: Human Number Line: Teacher Notes
This activity allows learners to physically create a number line and work on adding and subtracting integers. This lesson can be adapted to include other concepts with real numbers.
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...
Oswego City School District
Regents Exam Prep Center: Signed Numbers
This tutorial on signed numbers features lesson plans, practice pages, examples, application problems, and interactive work. Teacher resources include overhead manipulatives, card games, a Bingo game, and graphing calculator downloads.
Cool Math
Coolmath: Coolmath4kids: Orbit Integers
Add positive and negative numbers in this multiplayer space race!
Organization for Community Networks
Ofcn Lesson Plan: Bean Toss
OFCN activity to help students understand the concept of adding and subtracting positive and negative numbers.