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YouTubeTHE MATH PLANET
Math Tricks| Mental Math: Addition | Grade 3
Meet Plussy, the Plus sign, on THE MATH PLANET! This video contains useful Math tips & tricks for mental math addition. The following strategies are explained with examples: 1. Breaking apart addends into hundreds, tens & ones 2. Breaking apart one addend to make a 10. 3. Breaking apart one addend to make a 100. This is Lessons 4: Mental Math ...
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