Copy of Variable expressions with addition and subtraction

Autor:Maanit, Duane Habecker

Move the red dot on the left number line. Observe how the blue dot moves on the right number line. What algebraic expression describes the relationship between the two dots?

Nuevos recursos

Slope Illustrator (2)
Parabolas, Lines and Nomograms
Right Triangle Inscribed in a Semicircle
Quadrant Illustrator
Perpendicular Lines: Quick Exploration

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Misc
Construct a line segment and copy it
Inscribing an equilateral triangle in a circle
Day 1: Interesting Discoveries
Exploring a Cityscape Bar Graph

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Media Geométrica
Ángulos
Triángulos
Baricentro
Circunferencia inscrita