Teachers and parrents

Instructions:

Find out which coin or banknote is hidden under the question mark. A different coin or banknote value may be hidden under each question mark.

Example

20 $ 20 $ 20 $ 20 $ 50 $
=
10 ¢ 10 ¢ 25 ¢ 25 ¢ 25 ¢ 25 ¢ 25 ¢ 25 ¢ 1 $ 1 $ 1 $ 5 $ 20 $ 100 $ ? USD ? USD ? USD ? USD


1 ¢

5 ¢

10 ¢

25 ¢

1 $

5 $

10 $

20 $

50 $

100 $

Solution

20 $ 20 $ 20 $ 20 $ 50 $
=
10 ¢ 10 ¢ 25 ¢ 25 ¢ 25 ¢ 25 ¢ 25 ¢ 25 ¢ 1 $ 1 $ 1 $ 5 $ 20 $ 100 $ ? USD ? USD ? USD ? USD


1 ¢

5 ¢

10 ¢

25 ¢

1 $

5 $

10 $

20 $

50 $

100 $

Solve exercises