Students will play learning games to practice identifying and creating 3-dimensional figures.

In this tea store, the boxes all have different shapes! What do you know about shapes?

Check out this math project about polyhedra! Students will enjoy the hands-on activity while they learn about tetrahedrons, hexahedrons, octahedrons, dodecahedrons, and icosahedrons. [Requires Adobe Reader.]

Complete lesson with instruction and exercises, teaching students how to divide decimals using mental math.

This tutorial features templates and instructions to make the following solids: tetrahedron, cube, octahedron, dodecahedron, and icosahedron.

In this project, you will make 2-dimensional templates, called nets, that fold up into 3-dimensional (3-D) shapes. By making shapes of different sizes, you will be able to see how 3-D shapes change with size. In your findings you will...

This is a complete lesson with video instruction [5:49] and varied exercises about comparing decimals with 1 or 2 decimal digits.

This is a complete lesson with a video [7:56], instruction, and exercises about dividing decimals by decimals.

This is a complete lesson with instruction and varied exercises about how to multiply a whole number by a decimal.

Lesson includes a video & examples showing the common shortcut for multiplying & dividing decimals by powers of ten. [7:59] Provides exercises and word problems for practice.

This is a complete lesson with instruction, word problems, and exercises about adding and subtracting decimals with two decimal digits (hundredths).

This is a complete lesson with instruction and a variety of exercises, teaching how to add and subtract decimals with one decimal digit (tenths).

This is a complete lesson with instruction and varied exercises, explaining how the place value system works with decimals that have one decimal digit, and how to write such decimals in expanded form.

This lesson contains a variety of exercises for adding and subtracting decimals with up to two decimal digits,