Illustrative Mathematics
Equality Number Sentences
Understanding the concept of equality is fundamental to the success of young mathematicians. To explore this basic idea, children compare the dots arranged in pairs of rectangles in order to determine whether or not they contain an equal...
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Multiplication of Whole Numbers
Break up multiplication into more easily conceptualized math operations. Scholars first examine an array of apples and write a multiplication sentence to represent it. Then, they determine which of four sets of addends is equivalent to a...
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Investigation - What's the Number?: Division
Seventh graders explore number sentences using a variety of strategies making each equation a true sentence. Students examine strategies such as patterns, trial and error, working backwards, and related problems. In groups, 7th graders...
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Addition Properties
Student study addition properties. In this addition properties lesson plan, students use multiple methods to solve various types of problems. Students illustrate and describe in various ways the Commutative Property of Addition....
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Multiplication and Division - Number Story
Young scholars solve a number story. In this mathematics instructional activity, students create a division or multiplication number story on Wiki. Young scholars solve the number story that a classmate has written.
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Beginning Math- Subtraction
Students practice subtraction. In this computation lesson, students learn how to subtract by watching an illustration using balls. Students are shown how to write a number sentence and complete a subtraction worksheet.
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Make 24
In this make 24 numbers worksheet, 6th graders solve and complete 12 different sets of numbers that create numbers. First, they write 4 numbers from 1 to 9 and use the operations to create a number sentence that equals 24 for each set of...
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Technology: Money Equivalency
First graders,working on computers, drag coins into boxes to equal amounts pictured. Following a demonstration, they demonstrate how to type number sentences. As an extension, 1st graders create equivalent amounts using specific numbers...