Double Number Line Model for Unit Conversions

Author:Eric Karnowski

Move the red arrow to find equivalents. Click "Number Lines" to show adjustable number lines. You can set equivalent reference values for the upper and lower number lines.

New Resources

Reflection Across 2 Parallel Lines
Using Experimental Probability to Estimate π - Monte Carlo Method
Triangle with 3 Right Angles
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Reflection across a line

Discover Resources

Area of a kite
The ratio between the areas of two triangles
Converting Metric Lengths
symmetry 7

Discover Topics

Geometric Mean
General Quadrilateral
Confidence Interval
Tree Diagrams
Circle