Page 120 - NUMINO Challenge_B1
P. 120
Problem solving
1 The shape below is pieced together by 10 pieces Key Points
of origami paper, without overlapping. The side of
each square piece of paper is 3 cm long. What is First, find out how
the perimeter of the shape? many sides of a
piece of origami
paper are equal to
the perimeter of the
shape.
2 As shown below, a rectangular piece of drawing The sum of the two
paper is divided into 10 squares. What is the sides of the two
perimeter of the shaded square? largest squares is
50 cm.
15 cm
50 cm
117Measurement
1 The shape below is pieced together by 10 pieces Key Points
of origami paper, without overlapping. The side of
each square piece of paper is 3 cm long. What is First, find out how
the perimeter of the shape? many sides of a
piece of origami
paper are equal to
the perimeter of the
shape.
2 As shown below, a rectangular piece of drawing The sum of the two
paper is divided into 10 squares. What is the sides of the two
perimeter of the shaded square? largest squares is
50 cm.
15 cm
50 cm
117Measurement