このアクティビティでは，マス目の上で図形を作成し，長方形や正方形，それを組み合わせた形の面積を調べてみましょう．
- Resource Type
-
Activity
- Tags
-
area
- Target Group (Age)
- 8 – 19+
- Language
- Japanese / 日本語
Error
A timeout occurred. Trying to re-save …
Sorry, but the server is not responding. Please wait a few minutes and then try to save again.
