Standards - Mathematics

MA19.MM.9

Use the Mathematical Modeling Cycle to solve real-world problems involving the design of three-dimensional objects.

Unpacked Content

Knowledge

Students know:
  • the surface area formulas for cylinders, pyramids, cones and spheres.

Skills

Students are able to:
  • Calculate the surface area for cylinders, pyramids, cones and spheres.
  • Calculate volume for cylinders, pyramids, cones and spheres.
  • Use the mathematical modeling cycle

Understanding

Students understand that:
  • Surface area and volume can be used to approximate or solve real-world problems involving three dimensional figures.

Vocabulary

  • Mathematical Modeling Cycle
  • Three Dimensional Object

MA19.MM.10

Construct a two-dimensional visual representation of a three-dimensional object or structure.

Unpacked Content

Knowledge

Students know:
  • how to create a net comprised of two dimensional objects for a three dimensional figure.
  • how to describe a three dimensional object using a two dimensional cross-section or a rotation of a two dimensional object.

Skills

Students are able to:
  • Recognize two dimensional shapes and use those to create nets of three dimensional objects.
  • Find crucial measurements of three dimensional objects such as the height of the object, the length, the width or the radius of the base.

Understanding

Students understand that:
  • A three dimensional object is comprised of two dimensional figures.

Vocabulary

  • Two Dimensional
  • Three Dimensional
  • Precision
  • Elevation Drawings

MA19.MM.11

Plot coordinates on a three-dimensional Cartesian coordinate system and use relationships between coordinates to solve design problems.

Unpacked Content

Knowledge

Students know:
  • how to plot points in two dimensions.
  • how to find the distance between two dimensional points.
  • how to find the midpoint between two-dimensional point.

Skills

Students are able to:
  • Extend their knowledge of the two dimensional coordinate system to the three dimensional coordinate system.

Understanding

Students understand that:
  • points in space are a part of the three dimensional coordinate system.

Vocabulary

  • Three Dimensional cartesian coordinate system
  • Two dimensional cartesian coordinate system
  • Points in Space
  • Vertex
  • Right Prism
  • Octant

MA19.MM.11c

Find the distance between two objects in space given the coordinates of each.

COS Examples

Examples: Determine whether two aircraft are flying far enough apart to be safe; find how long a zipline cable would need to be to connect two platforms at different heights on two trees.

MA19.MM.12

Use technology and other tools to explore the results of simple transformations using three- dimensional coordinates, including translations in the x, y, and/or z directions; rotations of $90^{\circ}$, $180^{\circ}$, or $270^{\circ}$ about the x, y, and z axes; reflections over the xy, yz, and xy planes; and dilations from the origin.

COS Examples

Example: Given the coordinates of the corners of a room in a house, find the coordinates of the same room facing a different direction.

Unpacked Content

Knowledge

Students know:
  • how to translate points in the two dimensional coordinate plane and can extend this knowledge to three dimensions.
  • how to rotate points 90, 180 or 270 degrees in the two dimensional coordinate plane and can extend this knowledge to the three dimensional coordinate system.
  • how to reflect two dimensional objects over the x- or y-axis and can extend this knowledge to the three dimensional coordinate system.

Skills

Students are able to:
  • extend their knowledge of transformations in the two dimensional coordinate plane to the three dimensional coordinate system.

Understanding

Students understand that: transformations can be performed in the three dimensional coordinate systems and the transformations are similar to those in the two dimensional coordinate plane.

Vocabulary

  • Transformation
  • Translation
  • Rotation
  • Three Dimensional Coordinates

MA19.MM.13

Use technology and other tools to explore the results of simple transformations using three- dimensional coordinates, including translations in the x, y, and/or z directions; rotations of $90^{\circ}$, $180^{\circ}$, or $270^{\circ}$ about the x, y, and z axes; reflections over the xy, yz, and xy planes; and dilations from the origin.

COS Examples

Example: Given the coordinates of the corners of a room in a house, find the coordinates of the same room facing a different direction.

Unpacked Content

Knowledge

Students know:
  • that three dimensional figures are formed from two dimensional figures.
  • That a dilation produces a smaller or larger version of a figure.

Skills

Students are able to:
  • Combine three dimensional figures to form a scale model.
  • Transform a two or three dimensional figure.
  • Find a dilation of a three dimensional figure.

Understanding

Students understand that:
  • A scale model of a three dimensional figure is comprised of two dimensional objects that have been transformed.

Vocabulary

  • Two Dimensional Object
  • Three Dimensional Object
  • Translation
  • Reflection
  • Rotation
  • Dilation
ALSDE LOGO