1. Calculate the circuits.

3-4-16-4.jpg (79360 bytes)

2. Colour:

* triangles green;
* quadrangles red;
* pentagons yellow.

3. Calculate.

3-4-16-5.jpg (66186 bytes)

15 : 3 = .....
24 : 4 = .....
45 : 5 = .....
32 : 4 = .....

64 : 8 = .....
54 : 9 = .....
36 : 9 = .....
42 : 7 = .....

24 : 6 = .....
56 : 7 = .....
72 : 8 = .....
63 : 7 = .....

28 : 4 = .....
40 : 5 = .....
18 : 3 = .....
18 : 9 = .....

4. Mother baked 35 big gingerbreads.

Piia took

1
5

of the gingerbreads to her classmates.

How many she took to her mates?
...............................................................................................................................