16 Activities
Perimeter, Area, and Pi
Find the perimeter and area of:
- Table tops _____
- Door _____
- Storage closet _____
- Whiteboard _____
- Shelf _____
- Hallway _____
Find the Pi of circular objects you can find around you and document them here. Ideas: door handles, doors, patios, tables, buckets, etc.
Name that Shape
Write down the name and number of faces for each 3D shape below.
Triangle Shelf with 30° Cuts
Three pieces of wood same size
2 X 30° cuts, same direction, opposite Sides – on each piece
What you need:
- Speed Square
- 3 pieces of wood of your desired size, all equal to each other. (Recommendations: lengths of 4-12 inches, width of 1-4 inches, thickness of ½ inch- 2 inches)
- Mitre Saw or Hand Saw
- Small screws (the length of the screw depends on the thickness of wood. Make sure the screw does not protrude out of the wood.) Alternatively, wood glue can be used on this project.
30° + 30° placed together makes for a 60° Angle!
With all the cuts at 30°, placing three together makes the perfect triangle! This is called an EQUILATERAL triangle.
Directions:
- Use a speed Square, using the square edge lined up along the length of one piece of wood and mark out 30° bevel cut
- Flip over and mark the other side, with angles/ downward slopes pointing towards each other
- Using Mitre Saw or Hand Saw, cut out two 30° angle bevels on all three pieces, exactly the same
- Glue or screw pieces together, 30° bevels flush together, to create a 60° triangle shelf
- Shelf can be hung on a nail, balancing on the upper inside of the triangle OR an option to add a bracket of your choosing
