Invention of the calculator

Good morning, children! My name is Irina Andreevna! 

Today we will learn everything about a calculator!


Well, and now, let`s learn about the calculator more!

Read an article.

Now, it's high time to check what you have learnt.  

Please do these exercises.

   Put in the chronological order                           Match

Tell me please the good and bad sights of television.

Answer this question please, using the blog.


And now, let's do a little test.





 Thank you for your work. Good-bye!