Page 155 - NUMINO TG_6A
P. 155
10Unit Fill It with Chocolate Pieces
jOb ective Learn how to find the volume of a container.
1. Textbook Instructions 10 Fill It with Chocolate Pieces
In this unit, students will learn how to find the There is a rectangular piece of paper that is 18 cm wide and 12 cm long.
surface area and volume of a cylinder. Thomas connects the 18 cm sides to make a container, and Ricky
Students will also learn the relationship connects the 12 cm sides to make a container. Thomas and Ricky fill their
between: containers with chocolate pieces.
The length of a rectangle and the 18cm
circumference of a circle.
The volume of a cylinder and the volume of 12cm
a rectangular prism. Tell them to look at the
rectangle at the top of the page.
Explain to students that the number across
the top means that the rectangle is 18 cm
long and the number on the left side of the
figure means that the rectangle is 12 cm
wide.
Ask students to form pairs. Tell them to look 82
closely at the cylinders Thomas and Ricky
have made.
Are the cylinders the same or different?
Have them explain their answer.
What is the circumference of Thomas’s
cylinder? 12 cm.
What is the circumference of Ricky’s
cylinder? 18 cm.
Have students explain how they got their
answers.
2. Build Understanding
Thomas put the 18 cm sides together so his cylinder is tall and slender but 1.9 cm 2.9 cm
has narrower circumference. Ricky put the 12 cm sides together so his 18 cm 12 cm
cylinder is short and wide but has wider circumference.
By observing the two cylinders, students can understand the relationship Thomas’s Ricky’s
between two-dimensional and three-dimensional objects. Container Container
138 NUMINO Teacher s Guide
jOb ective Learn how to find the volume of a container.
1. Textbook Instructions 10 Fill It with Chocolate Pieces
In this unit, students will learn how to find the There is a rectangular piece of paper that is 18 cm wide and 12 cm long.
surface area and volume of a cylinder. Thomas connects the 18 cm sides to make a container, and Ricky
Students will also learn the relationship connects the 12 cm sides to make a container. Thomas and Ricky fill their
between: containers with chocolate pieces.
The length of a rectangle and the 18cm
circumference of a circle.
The volume of a cylinder and the volume of 12cm
a rectangular prism. Tell them to look at the
rectangle at the top of the page.
Explain to students that the number across
the top means that the rectangle is 18 cm
long and the number on the left side of the
figure means that the rectangle is 12 cm
wide.
Ask students to form pairs. Tell them to look 82
closely at the cylinders Thomas and Ricky
have made.
Are the cylinders the same or different?
Have them explain their answer.
What is the circumference of Thomas’s
cylinder? 12 cm.
What is the circumference of Ricky’s
cylinder? 18 cm.
Have students explain how they got their
answers.
2. Build Understanding
Thomas put the 18 cm sides together so his cylinder is tall and slender but 1.9 cm 2.9 cm
has narrower circumference. Ricky put the 12 cm sides together so his 18 cm 12 cm
cylinder is short and wide but has wider circumference.
By observing the two cylinders, students can understand the relationship Thomas’s Ricky’s
between two-dimensional and three-dimensional objects. Container Container
138 NUMINO Teacher s Guide
