Page 27 - NUMINO Challenge_A2
P. 27
Creative Thinking
1 A figure is made by combining nine squares. If the total perimeter of
the figure is 90 cm, find the perimeter of one square.
Key Point
The perimeter of the figure
is made up of sides of the
squares. Count the number
of sides.
2 Three squares are cut out from a rectangular piece of paper as shown
below. Find the perimeter of the colored portion.
32 cm
8 cm
6 cm 2 cm
Key Point
Remove the biggest square
and find the perimeter of
the remaining rectangle.
24 NUMINO Challenge A2
1 A figure is made by combining nine squares. If the total perimeter of
the figure is 90 cm, find the perimeter of one square.
Key Point
The perimeter of the figure
is made up of sides of the
squares. Count the number
of sides.
2 Three squares are cut out from a rectangular piece of paper as shown
below. Find the perimeter of the colored portion.
32 cm
8 cm
6 cm 2 cm
Key Point
Remove the biggest square
and find the perimeter of
the remaining rectangle.
24 NUMINO Challenge A2
