### Clarifications

*Clarification 1*: Instruction includes the use of manipulatives and models to visualize cross-sections.

*Clarification 2*: Instruction focuses on cross-sections of right cylinders, right prisms, right pyramids and right cones that are parallel or perpendicular to the base.

**Subject Area:**Mathematics (B.E.S.T.)

**Grade:**912

**Strand:**Geometric Reasoning

**Date Adopted or Revised:**08/20

**Status:**State Board Approved

## Related Courses

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## Related Resources

## Formative Assessments

## Original Student Tutorial

## Perspectives Video: Professional/Enthusiasts

## MFAS Formative Assessments

Students are asked to sketch and describe the two-dimensional figures that result from slicing a cone.

Students are asked to sketch and describe the two-dimensional figures that result from slicing a cylinder.

Students are asked to identify and draw cross sections of a rectangular prism and to describe their dimensions.

Students are asked to sketch and describe two-dimensional figures that result from slicing a rectangular prism.

Students are asked to identify and describe two-dimensional cross sections of three-dimensional solids.

Students are asked to sketch, describe, and compare three horizontal cross sections of a cone.

Students are asked to sketch and describe the two-dimensional figures that result from slicing a square pyramid.

Students are given a solid and asked to determine the two-dimensional shape that will create the solid when rotated about the *y*-axis.

## Original Student Tutorials Mathematics - Grades 9-12

Learn how to determine the shape of a cross-section created by the intersection of a slicing plane with a pyramid or prism in this ninja-themed, interactive tutorial.

## Student Resources

## Original Student Tutorial

Learn how to determine the shape of a cross-section created by the intersection of a slicing plane with a pyramid or prism in this ninja-themed, interactive tutorial.

Type: Original Student Tutorial