Addition Facts to 20
Loading the math board and drawing, please wait…
This example demonstrates addition facts up to 20. The core mathematical concept is addition. Using GeoGebra commands a, b, sum, and text1, the process of addition is dynamically shown. Suitable for high-grade elementary or low-grade middle school students to learn addition.
GeoGebra Commands & Parameters
Numeric a(10)Numeric b(8)a + b