Lesson 2

Modeling Division

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Task

Have fraction circle pieces and the Student Guide Reference section readily available.

  1. 8 cups of water
    4 cups of uncooked rice
    The table indicates that the ratio of water to rice for 16 people is 8 cups of water to 4 cups of rice.

F. Rice for Dinner

Linda decides to make rice for dinner. All of Linda's family is coming for dinner, so she will need rice for a total of 16 people. The directions are 2 cups of water to 1 cup of rice. Complete the table below.

  1. Complete the table.
  1. Write four equivalent ratios that show the ratio of water to rice. Label the numbers in your ratios. Use the Finding Equivalent Fractions and Ratios Menu in the Student Guide Reference section.
  2. Write four equivalent ratios that show the ratios of the number of cups of rice to the number of servings. Label the numbers in your ratios.
  3. How much water and rice will Linda need? Show or tell how you know.