When we learn a new method it can take a few days for it to sink in, so we will continue to work on it. The math homework has an example to help remind them of the steps. It was fun to see it starting to click for them!
Calling all Superheroes to a year of learning and growing! Welcome to our 3rd grade classroom where we will explore this year together with superhero skills and strength!
Tuesday, October 7, 2014
Counting Up Algorithm for Subtraction
Today we learned the Counting Up Algorithm for solving subtraction problems. People use this method in regular life, such as counting back change to another person. Will the kids learn the traditional algorithm that uses "borrowing"? Most definitely! The method they learned today uses a few different math skills such as using "friends of 10", and using knowledge of landmark numbers such as 10s and 100s. This is a picture of what we added into their Math Notebooks:
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