Page 175 - NUMINO TB_1B

1B˙ · -4–‡ 2011.3.22 5:41 PM ˘ ` 164 PDF_In 2540DPI 150LPI T

Answers

Unit 17. What Is the Shape of My Eraser? Activity 3 P. 8~9
1.
P. 2~3
, ,
,
, ,

2 . Sample Answers

Activity 1 P. 4~5 It Rolls: Red: With
2. b. Sphere Cube Triangular
Cylinder Rectangular Face:
c. Cone Prism Square
Square Pyramid
Pyramid

It Doesn’t Not Red: Without
Roll: Cone Triangular
Cube Sphere Face:
Rectangular Cylinder Cube,
Prism Sphere
Activity 2 P. 6~7 Square Rectangular
1 . Does it roll? Pyramid Prism
yes Cone,
Is it pointy? no Cylinder
Can you stack it? no
Activity 4 P. 10~11
Does it roll? yes 1. b.
Is it pointy? no
Can you stack it? yes c.

Does it roll? yes d.
Is it pointy? yes 2. a. b.
Can you stack it? no

Does it roll? no
Is it pointy? no
Can you stack it? yes
Is there a rectangle? yes

Does it roll? no
Is it pointy? yes
Can you stack it? no
Is there a triangle? yes

c. d.

164