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LIFE SPANS TASK

Animal | Maximum Life Span (in years)
Koi | 226
Giant Tortoise | 225
Bowhead Whale | 210
Red Sea Urchin | 200
Tuatara | 150
Lobster | 140
Box Turtle | 123
Human | 122
Crocodile | 100
Carp | 100
Cockatoo | 92
Tarantula | 49
Dog | 29

What do you notice?	What do you wonder?

1.	Create your own addition and subtraction problems using this data. Consider all the unknown values and actions possible in problems.

2.	Test strategies you know from the anchor charts to solve the problems you create.

3.	Research and share new data to include and ask questions about.

Retrieved from the companion website for Teaching Mathematics in the Visible Learning Classroom, Grades K–2 by John Almarode, Douglas Fisher, Kateri Thunder, John Hattie, and Nancy Frey. Thousand Oaks, CA: Corwin, www.corwin.com. Copyright © 2019 by Corwin. All rights reserved. Reproduction authorized for educational use by educators, local school sites, and/or noncommercial or nonprofit entities that have purchased the book.