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,...

# Tag: addition

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

Word problems are the bane of math students' existence. Children and adults alike often struggle to set up and solve problems phrased as a math word problem, even if they could easily solve the exact...

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...