We can add numbers -- even large numbers -- without carrying. Carrying is really just a shorthand notation for thinking of 10 units in one place value as 1 unit in the next place value. Thus, it's...
Tag: grouping
Students are taught multiple models in mathematics. This gives them multiple opportunities to understand an idea, strengthens and deepens connections to the material, and provides multiple tools for...
In a recent TikTok, Howie Hua (who trains future teachers in math) declared grouping and regrouping to be "one of the most important topics in elementary math." I would go so far as to say it is the...
Many parents feel frustration when their children come home using arithmetic methods and tools different from what they learned. "Why can't they just [add/subtract/multiply]?" is a common refrain for...