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### Dynamic Paper

Pre-K-2, 3-5, 6-8, 9-12

Need a pentagonal pyramid that's six inches tall? Or a number line that goes from ‑18 to 32 by 5's? You can create all those things and more! Place the images you want, then export it as a PDF or as a JPG image.

### Geometric Solids

Pre-K-2, 3-5, 6-8, 9-12

This tool allows you to manipulate various geometric solids and investigate their properties.### Turtle Pond

Pre-K-2, 3-5, 6-8

Estimate length and angle measure while guiding a turtle to a pond using computer commands.### Patch Tool

Pre-K-2, 3-5

Use this tool to design a pattern using geometric shapes.### Shape Tool

Pre-K-2, 3-5, 6-8

This tool allows you to create any geometric shape
imaginable. Squares, triangles, rhombi, trapezoids and hexagons can be created,
colored, enlarged, shrunk, rotated, reflected, sliced, and glued together.### Shape Cutter

Pre-K-2, 3-5, 6-8, 9-12

With this tool, you can explore how to decompose shapes and recompose
them to make other shapes. You can draw and cut shapes and also use
slides, turns, and flips to move pieces around.### 4.6.2a Discussing Strategies Extension

Pre-K-2

Consider how this estimation activity provides
an opportunity for the student with Down's Syndrome to participate.### 4.6.2 Discussing Strategies

Pre-K-2

Work in groups to share ideas.### 4.2.1 Making Triangles

Pre-K-2

Understand the mathematical meaning of a triangle and the idea of congruence, or sameness, in geometry.