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Tag: addition

link to How to Add Without Carrying

How to Add Without Carrying

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...

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link to How Do You Explain Carrying the One?

How Do You Explain Carrying the One?

Those of us in school before the 2010s likely call it carrying the one. Those in school since then probably call it regrouping. Either way, Carrying the one is the process of taking ten units,...

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link to Add, Subtract, Multiply, Divide in Word Problems? Beyond Key Words

Add, Subtract, Multiply, Divide in Word Problems? Beyond Key Words

(Click aqui para leer este articulo en español.) Word problems are the bane of math students' existence. Sometimes we could easily solve the exact same problem if it came up in real life but...

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link to Grouping and Regrouping in Math

Grouping and Regrouping in Math

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...

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About Me

Barbie has taught math and worked in student support at community colleges and other postsecondary schools for twenty years. Most of her students were math-insecure. Barbie is also a parent and regular school volunteer, using her math teaching skills alongside local teachers to support and bolster the students and families as much as she can.

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