You can visit this webpage to improve your knowledge about 3D shapes. It has interactive explanations,too. At the end of the explanations, you can take the quiz. Have you understood the lesson?

Watch and listen to this video about solid figures:

Here you are the promissed unit.
Read it and study the new words. Click here to download.

Moreover, you can start doing the activities related to the vocabulary that we have studied in the unit.

Perhaps, you need more practice... Here you are another QUIZ.

Take into account these words to do the word problems.