Estimate the Angle
Estimate angles
Type an angle
Try again
What is this activity?
Estimate the angle between two grey lines. Compare your guess with the bird’s pink trail.
Let’s give it a try!
送信中です
×
10°–90°
Open Estimate the Angle on Scratch
10°–180°
How to play
- Click the green flag to draw the two lines.
- Enter your estimated angle and press Enter.
- Tap the bird to try another answer, or the star for a new question.
Choose the 10°–90° or 10°–180° version below. Questions use steps of 10°. 新しい問題 means “New question”. The original prompt remains in Japanese.
For families and teachers
Use familiar reference angles such as 90° and 180°. The previous pink trail remains to help learners adjust their next estimate.
This English guide uses the original Chicodori Scratch project. Some labels remain in Japanese. You can explore and remix the project on Scratch.