The side of the square is 12cm. into how many squares with a side of 3 cm can this square be divided.

1) Let’s find out what area a square with a side of 12 cm has, if we know that all sides of a square are equal.

12 * 12 = 144 cm².

2) Find out what is the area of a square with a side of 3 cm.

3 * 3 = 9 cm².

3) Let’s find out how many squares with an area of 9 cm² will be obtained from a square whose area is 144 cm².

144/9 = 16 squares.

Answer: from a square the length of the sides of which is 12 cm, you get 16 squares with a side of 3 cm.