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Category Archives: number talks
“Why do we need to know the greatest common factor and least common mulitple? When are we going to use it?” asks one of my 5th grade advanced students. My response. “Don’t you know about the hot dog and hot … Continue reading
“Figure it out.” Words to live by. Words that govern my 5th grade advanced math class. So, “figure it out” was what my students had to do in this divisibility activity. By studying the numbers in each group, students had … Continue reading
The school year always seems to start with a review of place value concepts and within a few weeks it’s on to basic operations. At that point, it seems like place value becomes a thing of the past. So why … Continue reading
Based on our recent number talks, I asked my students to demonstrate how to calculate products by breaking factors into smaller factors. The student samples showed mastery of this particular mental math strategy. Aside from flexibility with the factors, the … Continue reading