Texas Instruments
Texas Instruments: Explore Graphs and Factors
Students use a graphing calculator to explore the relationship between the linear factors of a quadratic function and its zeros. They learn that the x-intercepts and axis of symmetry of a quadratic function can be determined from its...
Texas Education Agency
Texas Gateway: Determining Parent Functions (Verbal/graph)
Given a graph or verbal description of a function, the student will determine whether the parent function is quadratic or linear.
Oswego City School District
Regents Exam Prep Center: Slopes and Equations of Lines
Explanation of linear equations and four types of slopes: positive, negative, zero, and undefined. Practice problems for the students are provided and a reinforcement activity using a graphing calculator is offered for the teacher's use.
PBS
Pbs: Horizontal and Vertical Distances on the Cartesian Graph
In this interactive, students use logic and mathematical skill to place aquatic animals at locations on a Cartesian graph with cardinal directions. Then, they determine both the vertical and horizontal distances between points. The...
Smithsonian Institution
National Museum of American History: Slates, Slide Rules and Software
Did you learn to calculate using a 7-foot-long slide rule? Did you learn about the properties of numbers using brightly colored Cuisenaire rods? Ever wonder who invented the graph paper you used in geometry class? Go back to the...
NOAA
Noaa: Ngdc: Sunspot Numbers
This brief article examines the historical work on sunspot recording by Rudolph Wolf. Also discusses how sunspot numbers are calculated today and provide graphs of sunspots numbers from past years.
Alabama Learning Exchange
Alex: Don't Compound the Problem
Students will be able to determine the probability of a compound event. Drawing on their knowledge of simple probability to find the probability of more complex outcomes. Students will create a poster, PowerPoint, booklet, or foldable to...
Other
Conflict Casualties Monitor: Iraq Body Count
This site calculates the current number of civilian deaths in Iraq due to the war and suicide bombings. In addition, it provides a number of graphs, tables, and articles that illustrate the terrible cost of war as well as a detailed...
PBS
Pbs Kids Afterschool Adventure!: Operation: Martha's Stem Stories Activity Plan
Welcome to Martha's STEM Stories! STEM stands for science, technology, engineering, and mathematics. You may already know that doing STEM means testing ideas, collecting data, making calculations, and drawing graphs and charts-but you...
Khan Academy
Khan Academy: Lesson Summary: Demand and the Determinants of Demand
In this lesson summary review and remind yourself of the key terms, graphs, and calculations used in analyzing the demand for the good. Review the distinction between demand and quantity demanded, the determinants of demand, and how to...
University of Arizona
Cell Biology: Online Onion Root Tips
Online mitosis activity offers the student the opportunity to identify, classify, calculate, and graph the phases of mitosis. Explanations of each phase, actual cells are displayed for classifying and gathering data in this comprehensive...
Physics Aviary
Physics Aviary: Practice Problems: Spring Constant From Oscillation
Students must calculate the spring constant of a spring based on the oscillation graph that is created by an oscillating mass.
PBS
Pbs: The Lowdown: Living Wages in Ca: Ratio and Rate in the Real World
In this KQED infographic, find out how much an adult in different-sized households needs to make to pay for basic monthly living expenses. In the accompanying classroom activity, students solve real-life problems involving rate and ratio...
PBS
Pbs: Real World Proportional Relationships: Gender Wage Gap
Using this infographic, learn how wage equity today compares with data from 50 years ago, at the dawn of the equal pay movement. The accompanying classroom activity invites students to explore the change in the gender wage gap from 1965...