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Cathy Hink

Multiplicity #7: (Which Has More?)

Grades: Other, 1st Grade, 2nd Grade
Subjects: Math

Student Instructions

1) Study the picture. 2) Which set has more (the purple or the green)? 3) Use pen tool to show your visual thinking. 4) Use mic and arrow to show and give evidence (reasoning) for your thinking (remember - you want to convince others of your thinking). 5) Can you come up with more ways to figure out how many objects there are? 6) Optional: Make copies of pages and show more ways to count the objects. 7) When you are done use draft if you want to return to this later and continue working or check to finish and save to your journal.

Teacher Notes (not visible to students)

https://multiplicitylab.northwestern.edu/project/ltt_ar-037-more/ This activity is from Jo Boaler, Jen Munson and Cathy William’s book Mindset Mathematics (Grade 1) https://books.google.com/books/about/Mindset_Mathematics_Visualizing_and_Inve.html?id=LjAhEAAAQBAJ&printsec=frontcover&source=kp_read_button&hl=en&newbks=1&newbks_redir=0&gboemv=1 and from the website youcubed.org. Extend: Project on screen and have students show and explain/convince classmates of their reasoning. Ask students to take photos around the school and nature and share/use for future lessons. Ask parents to join in and ask them to take photos and share collections of items for students. Print and leave these out in a center. See youcubed.org and https://multiplicitylab.northwestern.edu/ for more ideas.

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