ClassFlow
Class Flow: Match Sequences Algebra
[Free Registration/Login Required] In this flipchart, students investigate patterns and sequences used in constructing various shapes using match sticks. Students then develop their introductory algebraic sense by determining the formula...
Government of Alberta
Learn Alberta: Midpoint Between Two Locations
Find the midpoint between any two points using this java applet. The applet allows the user to pick any two points, see the segment and how the midpoint is found algebraically and graphically.
Sophia Learning
Sophia: Solving for Quadratic Equations
Solve for x using the quadratic formula and complete practice problems. Assess learning with a quiz.
CK-12 Foundation
Ck 12: Geometry: Distance Between Two Points
[Free Registration/Login may be required to access all resource tools.] In this concept, students will learn how to measure distances using rulers and grids. Students examine guided notes, review guided practice, watch instructional...
ClassFlow
Class Flow: Quadratic Formula and Some Uses
[Free Registration/Login Required] This flipchart contains problems to be used with Algebra I and/or Algebra II.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Solving Quadratic Equations With Square Roots
Find a quick, concise explanation for how to solve quadratic equations using square roots. An example is given and clearly explained.
National Council of Teachers of Mathematics
Nctm: Illuminations: Flowing Through Mathematics
Students will use this computer applet to simulate water running out of a tube. By varying the tube diameter and noting time changes and the height of the water in the tube students will create a formula to fit the curves of height...
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...
Wolfram Research
Wolfram Math World: Topology: Topics
A dozen topology topics are listed here for both the teacher's and the student's use. Knot Theory, Bundles, and Topology Structures are just some of the areas which are explored in depth. Detailed explanations and necessary sketches and...
University of Cambridge
University of Cambridge: Nrich: Augustus' Age
Use a simple formula to help you figure out the age of the mathematician Augustus de Morgan. When done, check your results against the solution.
ClassFlow
Class Flow: Midpoint of a Line Segment
[Free Registration/Login Required] This flipchart has a clear explanation of ways to use the midpoint of a line segment with algebra.
Oswego City School District
Regents Exam Prep Center: Pythagorean Theorem
Who was Pythagoras and what is his theorem? Explore this concept and its relationship to the measurement of a right triangle in this test prep lesson plan. The lesson includes an interactive worksheet where students discover the answers...
Purple Math
Purplemath: Solving Polynomials: How To
Demonstrates the steps involved in solving a general polynomial, including how to use the Rational Roots Test and synthetic division. Points out when using a graphing calculator can be very helpful.
Purple Math
Purplemath: Factoring Polynomials: How To
Demonstrates the steps involved in factoring a general polynomial, including using the Rational Roots Test and synthetic division. Shows how to "cheat" with a graphing calculator.
BBC
Bbc: Higher Bitesize Maths: Quadratic Theory
A tutorial on quadratics presents topics including: factoring and solving quadratics, graphing quadratic functions, using completing the square and the quadratic formula to solve functions, the discriminant and conjugates. Plenty of...
Cool Math
Coolmath: Solving Quadratics Recap
This CoolMath resource reviews the ways to solve quadratic equations: factoring, finding square roots, and using the quadratic formula.
Math Is Fun
Math Is Fun: Real World Examples of Quadratic Equations
Provides examples of how quadratic equations can be used in real-world scenarios, and the different methods used to solve them.
Alabama Learning Exchange
Alex: Float or Sink?
Students will define density and use the density formula to determine the density, volume, and mass of various items using the correct units for each measurement.
Illustrative Mathematics
Illustrative Mathematics: 6.ee Chocolate Bar Sales
n this task students use different representations to analyze the relationship between two quantities and to solve a real world problem. The situation presented provides a good opportunity to make connections between the information...
PBS
Pbs Teachers: Weather: Wind Chill
Explore the effect of the combination of temperature and wind speed on human comfort. Use a formula to compute the Fahrenheit wind chill for a specific wind speed on a specific temperature.
Illustrative Mathematics
Illustrative Mathematics: 6.ee Log Ride
In this instructional task young scholars are given two inequalities, one as a formula and one in words, and a set of possible solutions. They have to decide which of the given numbers actually solve the inequalities. There are two...
Illustrative Mathematics
Illustrative Mathematics: G Mg Toilet Roll
Picture a roll of toilet paper; assume that the paper in the roll is very tightly rolled. Assuming that the paper in the roll is very thin, find a relationship between the thickness of the paper, the inner and outer radii of the roll,...
Texas Instruments
Texas Instruments: Prodigious! Quadratics and Free Fall Motion
Uses the movie "October Sky" as an introduction to the study of free fall motion functions. Acts a summation activity to a quadratic unit in Algebra. Solve quadratic equations by graphing, factoring, and the quadratic formula.
Khan Academy
Khan Academy: Points Inside/outside/on a Circle
Given the center and radius of a circle, determine if a point is inside of the circle, on the circle, or outside of the circle. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...