Page 183 - NUMINO TG_2A
P. 183
Activity 3 Making Solid Figures
jOb ective Know how to relate plane figures to solid figures.
1. Textbook Instructions Activity 3 Making Solid Figures
Explain how students can make solid figures 1 Guess the solid figures that you can make with the Magformers.
using Magformers.
Use Magformers to make the solid figures.
1. Explain how to make a cube using
Magformers. What you need: Magformers
The following is an example of how students
can be taught to make a cube. a Guess:
There are 6 Magformers. What is the b Check: 4
shape of the plane figure? A square. c
Which of the following solids can we make Guess:
using the 6 Magformers? Number 4. A cube. 104 Check: 3
Give students plenty of time to make a cube.
What does the square represent: a face, Guess:
edge, or vertex? A face. Check: 5
What can you infer from this activity?
A1: I can make a cube with 6 squares.
A2: Solid figures are made from plane figures.
2. Build Understanding
Have students who easily finished the first problem make solid figures number 1, 2, and 6.
While making each solid, have them find out what kind of plane shapes are used and count how many
faces it has.
Example: Make solid figure 2 using Magformers. What kind of plane shapes are the faces?
Answer: 2 hexagons and 6 rectangles.
166 NUMINO Teacher s Guide
jOb ective Know how to relate plane figures to solid figures.
1. Textbook Instructions Activity 3 Making Solid Figures
Explain how students can make solid figures 1 Guess the solid figures that you can make with the Magformers.
using Magformers.
Use Magformers to make the solid figures.
1. Explain how to make a cube using
Magformers. What you need: Magformers
The following is an example of how students
can be taught to make a cube. a Guess:
There are 6 Magformers. What is the b Check: 4
shape of the plane figure? A square. c
Which of the following solids can we make Guess:
using the 6 Magformers? Number 4. A cube. 104 Check: 3
Give students plenty of time to make a cube.
What does the square represent: a face, Guess:
edge, or vertex? A face. Check: 5
What can you infer from this activity?
A1: I can make a cube with 6 squares.
A2: Solid figures are made from plane figures.
2. Build Understanding
Have students who easily finished the first problem make solid figures number 1, 2, and 6.
While making each solid, have them find out what kind of plane shapes are used and count how many
faces it has.
Example: Make solid figure 2 using Magformers. What kind of plane shapes are the faces?
Answer: 2 hexagons and 6 rectangles.
166 NUMINO Teacher s Guide
