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Counting Blood Cells
Sometimes doctors need to know how many of a certain kind of cell is in a drop of someone’s blood. Here’s something you can do to show you how they find this out.
| Subject: Mathematics; Problem Solving Topics: - Estimation - Use Proportional Reasoning Grades: 3 - 5 Knowledge and Skills: - Proportional reasoning |
Download Activity: Counting Blood Cells (PDF)
Hands-On Math Movie:
Wild Animal Veterinarian
Most veterinarians take care of our common pets and livestock: dogs, cats, horses, cows, the occasional sick hamster. Mark Pokras' patient list is more unusual--today he could be treating a fox and an owl, tomorrow it might be a turtle and a deer. See how math and science are fundamental no matter what species of animal you're treating.
Running time 2:28 minutes.
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