Illustrative Mathematics
Illustrative Mathematics: 3.oa the Class Trip
The purpose of this instructional task is for students to solve a two-step word problem and represent the unknown quantity with a variable. This task also addresses the concept of scarcity. Aligns with CCSS.Math.Content.3.OA.D.8 Solve...
Illustrative Mathematics
Illustrative Mathematics: 3.oa the Stamp Collection
This task uses language, half of the stamps, that students associate with multiplication by the fraction 1/2. Students will understand half of 120 to mean the number obtained by dividing 120 by 2. For students who are unfamiliar with...
Better Lesson
Better Lesson: Math With Maples
Patterns in division and multiplication can be found in nature, and an understanding of these patterns enables scientists to conduct systematic research.
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Better Lesson: Target Number Game
Playing a game for the order of operations engages students in math fact review and builds fluency.
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Better Lesson: Word Problems With Order of Operations (Day 1 & 2)
Writing word problems reinforces understanding of the order of operations.
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Better Lesson: More Meat!
Third graders practice skills of addition, subtraction, word problems and graphing and develop their own theories about why meat consumption is so different across the world.
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Better Lesson: Humans vs Narwhals
Who's the REAL meat eater here? Let's do some math and find out!