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The content is interactive and enables the learners in moving from visual understanding to verbal and algebraic. It consists of 2 levels: Level 1. Fill in the blanks to create real numbers and symbolic expressions: a/c + b/c = (a + b)/c.
Level 2. Complete the sentence to create verbal understanding of addition rule.

 
License:[Source Dragonlearn ]April 8, 2020, 12:41 p.m.


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