Stick Studio
Two overlapping triangles made from six sticks form a star. You can see six small triangles at the points and the two large triangles used to make the star. That gives eight triangles. Counting only the smallest shapes would miss part of the picture.
Before you try
Can six sticks create more than two triangles?
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Interactive activity
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What happened?
Move a control to see what changes and why.
The game practises one idea at a time with simple drawn pictures. Check the same idea with real objects and your NCERT textbook (Chapter 2: Shapes and Angles, pages 19).
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Try these ideas
- Find the fixed sticks before choosing a move.
- Solve a fish that faces a different direction.
- Count both small and large triangles in the finished star.
Why it works
Two overlapping triangles made from six sticks form a star. You can see six small triangles at the points and the two large triangles used to make the star. That gives eight triangles. Counting only the smallest shapes would miss part of the picture.
The fish and house challenges use a limited number of moves. First compare the starting picture with the target. Find the sticks that already occupy useful positions. Keeping these still leaves only the necessary sticks to move. A stick can be turned and placed somewhere else in one move.
The fish uses eight sticks and changes direction after three moves. The house arrangement uses ten sticks and requires five moves. The game preserves the fixed sticks and only lets you relocate the movable ones. Later puzzles change orientation and placement, so looking for useful shared parts is better than memorising screen positions.
Worked example: How do six overlapping sticks show eight triangles? Count the six small triangular tips. Find the large upward-pointing triangle. Find the large downward-pointing triangle: 6 + 1 + 1 = 8.
Check your understanding
Question 1 of 2
The star contains six small triangles and two large triangles. Total?
The fish has eight sticks and you move three. How many stay?
Explain it in your own words
What changed? Why did it happen? Where might you notice this in everyday life?
For parents & teachers
- Craft-stick star · 8 minutes. Use six craft sticks to make the two large overlapping triangles. Point to each triangle while counting.
- Explain the fixed parts · 10 minutes. Before solving a fish or house puzzle, have the learner identify the sticks that can stay and explain why.