Page 186 - NUMINO TB_4B

NUMINO

Activity 2 P. 56~57 Challenge P. 60~61
1 . a . (5 2) (6 2) (3
4) 34
b . Length: 6 m 34 in.

Width: 2 m

c . 46 cm

12 units, 12 units, 12 units Unit 23. Making Figures with Different Areas
12 units, 12 units, 12 units
P. 62~63
The perimeter of all the figures is equal to
12 units. Area 3

1 . a. 76 in.

b . A: 3 4 12(m)
4 20(m)
B: 5 4 12(m)
C: 3

Activity 3 P. 58~59

1. a. 6 b. 7 c. 7 d. 7 e. 7

2.

Activity 1 P. 64~65

, Picture Length(in2) Width(in2) Perimeter(in2) Area(in2)
, A
B 5 3 16 15
C 4 4 16 16
D 6 2 16 12
7 1 16 7

When the perimeter of each shape is the same,
the square has the greatest area.

Answers 175