Abacus Lesson 3 // Simple Addition (#'s 0-5 only) ONES'S column// Step by Step // Tutorial

267K views

The HEV Project

11 years ago

Abacus Lesson 3 // Simple Addition (#'s 0-5 only) ONES'S column// Step by Step // Tutorial

Abacus Lesson 3 // Simple Addition (#'s 0-5 only) ONES'S column// Step by Step // Tutorial