The adventures of a fourth grade teacher in East Central Illinois.

Factors and Multiples Revisited

We are in the final home stretch! Just four more days of school then a three-day weekend before students return for one hour on the 28th and we are all done for the year!

And what a year it has been! We have had our ups and downs, but I think that, all in all, we’ve had far more ups than we have downs. The students have grown so much since they first came into my classroom back in August! They have mastered some pretty difficult math concepts, improved their reading skills, honed their writing skills, researched several diverse topics, such as animals, European explorers, and the American colonies, and grown in their understanding of the arts and technology.

All that being said, it is important to note that we’re not done yet! We are in the final home stretch; bottom of the ninth, bases loaded, two strikes; 26 miles into the marathon with just 0.2 miles to go. It is going to be a challenge to keep the students motivated as we press on, but I am fully confident that they will make it to the end!

Today we began our week of math review. There are a handful of concepts that we have touched on throughout the year that it is time for the students to demonstrate mastery. Last Friday, we reviewed factors and multiples, but I knew right away that my students didn’t quite have it yet. So today we did more review and then I quizzed them on the concepts.

We started by discussing the definitions of “factors” (any whole number multiplied by another whole number to make a product) and “multiples (the product of any specific whole number and another factor). Then we gave examples of both: the factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48; the first five multiples of 4 are 4, 8, 12, 16, and 20.

Then I had the students work with partners to complete a simple worksheet (created using WorksheetWorks.com) that furthered their review of these concepts. And then it was time for another quick assessment. I asked the students to list the factors of 3, 12, and 25 and the first five multiples of 2, 7, and 12. It was quick but effective: nearly everyone in the class passed with flying colours! Tomorrow we are going to review geometry and finish the geometry books we started making back after ISAT testing was completed. Then we just have some work on line plots and measurement and the year will be done! Wow!

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