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I think these count the quadrilaterals tasks from *100 Geometric Games* by Pierre Berloquin could spark some great classroom conversation. I was able to view them on Amazon by choosing the “Look Inside” feature.

How many quadrilaterals are in each diagram?

## More Geometry Teaching Resources

- Right Triangle Trig Formula Sheet
- Pythagorean Theorem and Distance Formula Notes
- Pythagorean Theorem Day Celebration Ideas
- 25 Fun Geometry Puzzles
- Missing Angles Notes
- Classifying Triangles by Angles and Sides Notes
- Sankaku Puzzles
- Tricky Triangles Puzzle
- Triangular Turkey Puzzle
- Three of Five Puzzle
- SOH CAH TOA Notes
- Let’s Make Squares Activity