I need ideas for a grade three math project.

A collection of 1000 items that can be fixed to a sheet of bristol board.

All and any ideas would be appreciated

How about uncooked elbow macaroni? You could even use food coloring to dye them to represent hundreds. In other words -- 100 could be red, another 100 could be blue, etc.

That's a great idea for a grade three math project! Creating a collection of 1000 items on a sheet of bristol board can be a fun and interactive way to understand numbers and quantities. Here's a step-by-step guide on how you can complete this project using uncooked elbow macaroni:

1. Materials needed:
- Bristol board sheet
- Uncooked elbow macaroni
- Food coloring (optional)
- Glue or tape
- Marker or pen
- Ruler

2. Preparing the macaroni:
- If you want to dye the macaroni to represent hundreds, place some macaroni in separate ziplock bags.
- Add a few drops of food coloring to each bag and shake it until the macaroni is evenly coated. Repeat for each color you want to use.
- Spread the dyed macaroni out on a flat surface to dry. This might take a couple of hours.

3. Organizing the macaroni:
- Once the macaroni is dry, count out 100 pieces of each color. For example, if you have four colors, you will need 400 red macaroni, 400 blue macaroni, and so on.
- This will give you a total of 1000 macaroni pieces.

4. Fixing the macaroni to the bristol board:
- Lay the bristol board sheet flat on a table or any other surface.
- Use glue or tape to attach each macaroni piece to the bristol board. You can create patterns or designs, or simply scatter them randomly as long as you keep track of the colors.

5. Labeling the macaroni:
- Using a marker or pen, label each group of 100 macaroni to represent hundreds. For example, if the red macaroni represents 100, write "100" above or below that group.
- Repeat this label for each color, creating a visual representation of the quantity.

6. Reflecting and presenting:
- Once the macaroni is fixed and labeled, take a step back and observe your 1000-piece collection.
- You can present your project by explaining the different colors and numbers represented by each group of macaroni, showcasing your understanding of quantities, hundreds, and the number 1000.

Remember to keep safety in mind while conducting the project, especially when using food coloring or handling any potential allergens in the uncooked macaroni. Have fun and enjoy your math project!