Adding using Tens

This is a modified copy of Duane Habeckers' excellent work "Adding using Quick Tens" at https://www.geogebra.org/m/k2DDxjPU Modified to start with simple input boxes and enlarged font for input instruction

 

Lew W. S.

 
Resource Type
Activity
Tags
adding  arithmetic  by  class  grouping  practice  tens  tutorial 
Target Group (Age)
3 – 19+
Language
English
 
 
 
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