Math Common Core Lesson Plans Reviewed by Teachers

Illustrative Mathematics

Illustrative Mathematics: A rei.c.6: Accurately Weighing Pennies Ii

For Teachers 9th - 10th Standards

This illustrated math lesson shows how important levels of accuracy in measurement are. The answer can be different since a scale only accurately weighs to the nearest tenth of a gram instead of to the nearest hundredth of a gram. Aligns...

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Student Achievement Partners

Illustrative Mathematics: Addition and Subtraction Fluency Set of Tasks [Pdf]

For Teachers K - 1st Standards

Students explore the relationship between addition and subtraction and develop an understanding of decomposing numbers in different ways in this first-grade lesson plan.

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Illustrative Mathematics

Illustrative Mathematics: A Sse Animal Populations

For Teachers 9th - 10th Standards

In this task, students have to interpret expressions involving two variables in the context of a real-world problem about animal populations. Aligns with A-SSE.A.1, A-SSE.A.1.a, and A-SSE.A.2.

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Illustrative Mathematics

Illustrative Mathematics: N q.a.1, a ced.a.1, and N q.a.2: Harvesting the Fields

For Teachers 9th - 10th Standards

This task is about farm-workers who are harvesting two fields. Students are presented with a scenario involving two teams of workers, two different sizes of fields, and work spread out over two days. They must calculate how many...

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Illustrative Mathematics

Illustrative Mathematics: A Apr Zeroes, Factorization of Quadratic Polynomial Ii

For Teachers 9th - 10th Standards

This task is intended to help students see more clearly the link between factorization of polynomials and zeroes of polynomial functions. The argument here generalizes to show that a polynomial of degree d can have at most d roots....

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Illustrative Mathematics

Illustrative Mathematics: A Apr Trina's Triangles

For Teachers 9th - 10th Standards

In this task, young scholars investigate polynomial identities in order to generate Pythagorean triples. Aligns with A-APR.C.4.

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Illustrative Mathematics

Illustrative Mathematics: 1.g All vs. Only Some

For Teachers K - 1st Standards

In this lesson, students come up with statements that is true about all of the triangles that they see but not true of all triangles in general, then the teacher should ask students if they can imagine a triangle without that attribute.:...

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Illustrative Mathematics

Illustrative Mathematics: 1.oa Using Lengths to Represent Equality

For Teachers 1st Standards

For this lesson plan, 1st graders determine if lengths are equal to one another.

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Illustrative Mathematics

Illustrative Mathematics: 7.ee Equivalent Expressions

For Teachers 6th - 8th Standards

A performance task asking students to determine if two equations show an equivalent expression.

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Illustrative Mathematics

Illustrative Mathematics: G C Right Triangles Inscribed in Circles Ii

For Teachers 9th - 10th Standards

In this task, learners analyze the characteristics of a right triangle that has two sides labeled with midpoints and show that the triangle is inscribed in a circle with a diameter the length of its hypotenuse. Aligns with G-C.A.2.

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Illustrative Mathematics

Illustrative Mathematics: G Srt Pythagorean Theorem

For Teachers 9th - 10th Standards

The purpose of this task is to prove the Pythagorean Theorem using similar triangles. Aligns with G-SRT.B.4.

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Illustrative Mathematics

Illustrative Mathematics: G Srt Dilating a Line

For Teachers 9th - 10th Standards

In this task, students investigate a dilation of a line segment and how the length of the dilation relates to the scale factor. Aligns with G-SRT.A.1.

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Illustrative Mathematics

Illustrative Mathematics: 6.ns Mile High

For Teachers 6th Standards

Sixth graders work with positive and negative numbers in a real-world context in this problem about elevation as it relates to sea level. Aligns with 6.NS.C.5.

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Illustrative Mathematics

Illustrative Mathematics: g.c Inscribing a Circle in a Triangle Ii

For Teachers 9th - 10th Standards

This task focuses on a fact which comes out of the construction of the inscribed circle in a triangle: the angle bisectors of the three angles of triangle ABC all meet in a point. Aligns with G-C.A.3.

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