Module 9: Creating Triangles Given Side Lengths

Module 9: Creating Triangles given side lengths

Presentation

•

Mathematics

•

7th Grade

•

Practice Problem

•

Medium

•

CCSS

7.G.A.2, 7.G.B.4, 7.G.A.1

Standards-aligned

Matthew Wellner

Used 6+ times

FREE Resource

6 Slides • 7 Questions

Module 9

Lesson 2

I CAN Create Triangles Given Side Lengths

Exit Ticket from yesterday

2 Questions

Subject | Subject

Some text here about the topic of discussion

Fill in the Blanks

Type answer...

Drag and Drop

So if the scale drawing has a diameter of 6 inches and the real table will have a diameter of 48 inches, how many inches of the table does 1 inch on the scale drawing represent? Meaning the scale is:

drawing : real

per

Drag these tiles and drop them in the correct blank above

1 inch (drawing)

8 inches (real)

8 inches (drawing)

1 inch (real)

48 inches (real)

48 inches (drawing)

6 inches (real)

6 inches (Drawing)

You have 4 popsicle sticks with lengths of 4 cm, 6 cm, 8 cm, and 10 cm long. Find out which combinations make a triangle and which do not. WRITE IT DOWN!

Popsicle sticks:

5 Minutes

Match

Which combinations worked and which did not?

4,6, and 8

4,6, and 10

4,8, and 10

6,8, and 10

Triangle

No Triangle

Triangle

Drag and Drop

In this activity, we learned that the SUM of 2 sides of a triangle must be 

the 3rd side.This is called the TRIANGLE INEQUALITY THEOREM

Drag these tiles and drop them in the correct blank above

greater than

less than

greater than or equal to

less than or equal to

1 inch

2 inches

4 inches

3 inches

4 inches

7 inches

5 inches

2 inches

6 inches

Using a ruler and a compass, on a piece of paper, draw triangles with the following labeled measurements:

Name:

Date:

Period:

Circle the Triangle(s) that worked and turn it in.

Drag and Drop

George has 3 wooden rods. the 3 rods are different lengths of 6 feet, 3 feet, and 5 feet. George

make a triangle with these rods.

Drag these tiles and drop them in the correct blank above

can

cannot

Drag and Drop

Irma has 3 straws. the 3 straws are different lengths of 7 inches, 4 inches, and 11 inches. Irma

make a triangle with these straws.

Drag these tiles and drop them in the correct blank above

cannot

can

Drag and Drop

Mary has 3 pieces of pipe cleaner. the 3 pieces are different lengths of 5 inches, 4 inches, and 10 inches. Mary

make a triangle with these pieces of pipe cleaner.

Drag these tiles and drop them in the correct blank above

cannot

can

Module 9

Lesson 2

I CAN Create Triangles Given Side Lengths

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