## Materials

##### Happy Thanksgiving!

I had to do a trick or two (GM doesn't know how to sum yet!), but to all who celebrate Thanksgivi...

##### Open Middle Problem on Quadratics

We did this from Tim Brzezinski's cool GGB implementation which we found on Twitter (geogebra.org...

##### make 1 to 24 (with 1,3,4,6)

this can be an interesting way for students to practise creating numerical expressions

##### Peacock's Axiomatic Negative Multiplication Rationale

How do we think about negatives and their multiples?

##### GEMS Actvity

##### Códigos

##### التعويض

حساب عبارة من اجل x=

##### Simple Rationalization the denominator

##### Correzione esercizio 1 matem atica

Funzioni razionali fratte: Dominio, Segno e Intersezioni con gli assi, Segno, Grafico probabile.

##### Equacio grau 2

##### Punkt vor Strich

Entdecke die Reihenfolge

##### Racionalização Quadrática

##### Racionalização raizes e adicao

##### Racionalização raízes maiores

##### Racionalização Cúbica

##### Equações de 1º grau - Equações Avançadas

##### Equações de 1º grau - 1 e 2 passos

##### Algebra Solving Linear Equations by Substitution Worksheet

Solve systems of equations by substitution

##### Equações 1º grau - 1 passo

##### 72.8 Algebraic Demonstration

##### Writing Equation Given Two Points (y=mx+b)

Students perform substitutions in order to write the equation of a line, given two points.

##### Equation Maze (One & Two Step)

##### (German) Beispiele Gleichungen und Äquivalenzumformungen

Was mit Gleichungen und den Äquivalenzumformungen möglich ist.

##### 1.1 One Step Linear Equation

Puzzle Time Activity

##### Lesson 2-4 Literal Equations

##### WC-rulla

Calculate the diameter of a toiletpaper roll, when it is half full. Initial measures are D=105 mm...

##### Additions and subtractions of polynomials

##### Suorakulmainen kolmio

##### Parallel Lines, Equal Slopes, and Division by Zero

An elegant demonstration of the fact that parallel lines must always have the same slope, that re...

##### Radical Equations

Use each digit no more than once, create two true expressions for the square root of two 2-digit ...

##### Carlyle Circle

Quick demonstration of Cayley's Circle, a geometric way of relating the roots of circles to those...

##### Graphing Skills!

This GM will help you improve your graphing skills.

##### Solving Inequalities

##### Absolute Value Equations

##### Solving Literal Equations

##### Graphing Circles

Click on the placeholders to place numbers in them so the circle has a center at the point labele...

##### What-If-Not Graphing Lines (with Negatives)

Drag the integers -9 through 9 to placeholders in a linear equation so the graph of the line pass...

##### Derivation of citardauq

I've been seeing the citardauq equation around, and found this a great place to use GM's derivati...

##### Midpoint of intersections

Based on Tom Button's great example in Geogebra--fun to explore how different points defined by a...

##### Geogebra Global Gathering Demos: Playing with Some Simple Expressions

Move these expressions around...What do you see? What can you do? How are these situations simila...

##### 連立方程式の解と交点

##### OpenMiddle-Style Fractions Exploration

Some open middle-style problems designed to help people learn to use fractions (we use these for ...

##### rapports frettes

Étude de la guitare

##### Lez 2:Scomposizioni parziale

Raccoglimento parziale

##### CVIČEBNICE

Jak na to? viz. video v příloze

##### Horton- Law of Exponents

Apply the law of exponents to each problem to simplyfy the expression

##### Law of Exponents Mixed Problems Set

Using multiple laws at once