In this unit, students are expected to be able to calculate the area of a rectangle using whole number side lengths. The also need to be able to find the area of a triangle, parallelogram, and trapezoid when given the formula. Later in the school year, students will be expected to find area using fraction or decimal side lengths.
This unit also includes volume. At this level, students should be able to find the volume of a rectangular prism both by (1) counting cubes and by (2) multiplying the side length using the formula. Counting cubes can be difficult for some students because of the ones that can't be seen. The students do not have to memorize the formulas, and will be given a formula reference sheet for the assessment.
The students will also need to be able to find the area of a complex shape. I have included some examples below, but they all use rectangles in order to keep the examples simple. They will also need to be able to use triangles, trapezoids, and parallelograms by the end of this unit. Below the examples, I added two videos. The first is a video that walks students through sample problems with composite/complex figures. The second video walks students through examples of finding the area of a shaded region of a shape.
This unit also includes volume. At this level, students should be able to find the volume of a rectangular prism both by (1) counting cubes and by (2) multiplying the side length using the formula. Counting cubes can be difficult for some students because of the ones that can't be seen. The students do not have to memorize the formulas, and will be given a formula reference sheet for the assessment.
The students will also need to be able to find the area of a complex shape. I have included some examples below, but they all use rectangles in order to keep the examples simple. They will also need to be able to use triangles, trapezoids, and parallelograms by the end of this unit. Below the examples, I added two videos. The first is a video that walks students through sample problems with composite/complex figures. The second video walks students through examples of finding the area of a shaded region of a shape.
Games, Resources, and Practice Sites:
Area of Plane Shapes
Area of a Rectangle - Math Open Reference
Volume of Common Solids (*look at prisms only!)
Interactive Area
3D Boxes
Volume Shoot game
IXL Volume of Cubes & Rectangular Prisms
Cubes - NCTM Illuminations Resource
Area Worksheets (site to print off practice worksheets for home use)
Click on the images of formulas and examples below to enlarge. The students were given the sheet of formulas during the Measurement unit. It can be viewed as an image below and can also be found here as a pdf.
Area of Plane Shapes
Area of a Rectangle - Math Open Reference
Volume of Common Solids (*look at prisms only!)
Interactive Area
3D Boxes
Volume Shoot game
IXL Volume of Cubes & Rectangular Prisms
Cubes - NCTM Illuminations Resource
Area Worksheets (site to print off practice worksheets for home use)
Click on the images of formulas and examples below to enlarge. The students were given the sheet of formulas during the Measurement unit. It can be viewed as an image below and can also be found here as a pdf.