Table of Contents

Unit 3: Reasoning and Explaining (MP2 and MP3)

3.4.1 Flower Arrangements

The 5th graders worked on the MARS task titled, Flower Arrangements. Understanding that some students needed clarification about what a flower arrangement was, the teacher used roses, tulips, lilies, and vases to teach the names of the flowers and demonstrated how to choose flowers to be added to an arrangement.

Time to Try

Complete the MARS task below (or download a copy)

Step 1: Complete the MARS Flower Arrangements task

Tim’s grandmother loves flower arranging. She always uses an odd number of each flower in each arrangement.

  1. The arrangement she is making today has 9 flowers: tulips, roses, and lilies.

    There are more tulips in the arrangement than roses and more roses than lilies.

    How many tulips are there?
    How many roses are there?
    How many lilies are there?

    Explain how you figured it out.
  2. The next arrangement Tim’s grandmother makes also has tulips, roses, and lilies. She uses 11 flowers in all. As before, she always uses an odd number of each flower in each arrangement. There are more tulips in the arrangement than there are of roses, and there are more roses than lilies.

    How many tulips are there?
    How many roses are there?
    How many lilies are there?

    Explain how you figured it out.
Time to Reflect

In your Metacognitive Journal, describe what you believe a complete response to this MARS task should include.

 

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