Not all roles available for this page.
Sign in to view assessments and invite other educators
Sign in using your existing Kendall Hunt account. If you don’t have one, create an educator account.
The purpose of this How Many Do You See? is for students to subitize or use grouping strategies to describe the images they see.
How many do you see? How do you see them?
The purpose of this activity is for students to represent and solve “how many groups?” problems. Encourage students to use whatever strategy and visual representation that make sense to them. Students create a poster of their solution to the first problem with a partner. In the next activity, students participate in a Gallery Walk of the posters.
Monitor for students who represent the situation with:
When students represent the situation with objects, concrete drawings, or abstract drawings, they are reasoning abstractly and quantitatively (MP2).
Solve each problem. Show your thinking using objects, a drawing, or a diagram.
The purpose of this activity is for students to consider what is the same and what is different about the ways they solved a “how many groups?” problem in the previous activity.
As students visit the posters, identify 2–3 students whose posters show particularly well that this problem is about finding how many groups are made. Select those students to share their explanations in the next lesson.
“Today we solved problems about putting apples into boxes. How were these problems the same as multiplication? How were they different?” (These problems had groups of equal size. In multiplication, we find how many things there are altogether. In these problems, we already knew the total. We were trying to find how many groups we could make.)
“The problems we solved today are division problems. How would you define ‘division’ based on the problems we saw today?” (‘Division’ is about putting into groups of equal size. I would say it’s about finding how many groups you can make.)