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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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Initial Fraction Ideas Lesson 20: Overview
Whether you're measuring the ingredients for a recipe or splitting pizza between some friends, fractions are everywhere. Teach young mathematicians how to add fractions in order to solve real-world problems with this elementary math...
3rd - 6th Math CCSS: Adaptable
Sky Boys: How They Built the Empire State Building
How tall is the Empire State Building? Lead your class through a collaborative estimation activity to determine the number of quarters it would take to reach the top and teach the following concepts: human capital, human resources,...
3rd - 5th Math CCSS: Designed