Lesson 9

Comparing Fractions Using 1/2

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Challenge

  1. The solution does not fit Clue 4. A solution that works:

    A number sentence for a correct solution is
    1/3 + 1/3 + 1/3 + 1/3 + 1/2 + 1/2 = 7/3
  2. One possible solution:

    A number sentence:

    1/2 + 2/4 + 3/6 = 11/2

DD. Fraction Puzzles

Use fraction circle pieces to help you.

  1. Frank, Jacob, Irma, and Maya solved a fraction puzzle. Their solution is shown on the right. Does their solution fit all the clues? If it does not fit all the clues, draw a shape that does. Write a number sentence for a correct solution. Explain your thinking.

    Clue 1: The pink piece is equal to 1 whole.
    Clue 2: Make a shape with a value of 7/3.
    Clue 3: Use at least two yellow pieces.
    Clue 4: Do not use any orange pieces.
  2. Solve the puzzle below. Write a number sentence for your solution.

    Clue 1: The red circle is one whole.
    Clue 2: Make a shape with a value of 11/2.
    Clue 3: Use exactly 1 pink piece.
    Clue 4: Use at least 3 colors.