Lesson 11 Saree Silk Stories: Necklaces and Bracelets

    • Let’s solve story problems about length.

Warm-up Notice and Wonder: Take From

What do you notice? What do you wonder?

Scissors cutting ribbon.
Diagram. rectangle partitioned into 2 parts. First part, Total length, question mark. Other part, Total length, 16. Total length of rectangle, 54.

Activity 1 Saree Silk Ribbon Necklaces

Problem 1

What do you notice? What do you wonder?

Girls in saris dresses.

Problem 2

Priya had a ribbon that was 44 inches long. She cut off 18 inches. How long is Priya’s ribbon now?

Andre drew this diagram to help him think about the problem.

Diagram. rectangle partitioned into 2 parts. First part, total length, question mark. Other part, total length, 18. Total length of rectangle, 44.

  1. What does the “?” represent in the story?

  2. Why do you think there is a dotted line between the parts?

  3. Find the unknown value. Show your thinking.

  4. Priya’s ribbon is  long.

Activity 2 Saree Silk Ribbon Projects

Scissors cutting ribbon.

Label the diagram. Find the unknown value. Show your thinking and don’t forget the units.

  1. Elena started with 58 inches of ribbon. She gave Clare 27 inches of ribbon. How much ribbon did Elena keep for herself?

    Diagram. Rectangle partitioned into 2 parts. First part, total length, blank. Other part, total length, blank. Total length of rectangle, blank.

  2. Han had a piece of ribbon that was 64 inches long. He cut off 28 inches to make a necklace for his sister. How much ribbon is left?

    Diagram. Rectangle partitioned into 2 parts. First part, total length, blank. Other part, total length, blank. Total length of rectangle, blank.

  3. Priya cut off 25 inches of ribbon. She has 38 inches of ribbon left. How much ribbon did Priya start with?

    Diagram. Rectangle partitioned into 2 parts. First part, total length, blank. Other part, total length, blank. Total length of rectangle, blank.

Practice Problem

Problem 1

Mai is making a headband from a piece of fabric. The fabric is 71 centimeters long. Mai cuts off 18 centimeters of the fabric. How many centimeters long is the fabric that is left?