About How Much?
Third graders use estimation to determine the reasonableness of answers to math problems. They investigate a wide variety of estimation strategies and use these strategies to judge the reasonableness of answers.
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Comparing Two Different Pizzas
What better way to learn about fractions than with a couple pizzas? Help Jessica figure out how much of the pizza she has eaten, while teaching your class that fractions refer to a specific whole amount. This problem will be challenging...
3rd - 5th Math CCSS: Designed
Save the Plankton, Breathe Freely
Inhale. Exhale. Breathe easy with this richly-designed lesson plan on the source of our oxygen! Children may be surprised to find out that plankton produce the bulk of the vital gas. They participate in an activity where they record the...
3rd - 6th Math CCSS: Adaptable