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Number Sentences

For Questions 11–14, the red circle is one whole or 1.0. The pink piece is or 0.5.

Since one pink piece equals two greens and a purple piece, we can write a number sentence to represent the figure.

  1. Show 0.5 another way using purple and green pieces. (Cover a pink piece with purple and green pieces.) Write a number sentence to represent this figure.

We can show 1 whole with two or more colors and write a number sentence to represent the figure.

  1. Use the picture to the right to answer these questions:
    1. Which piece shows 0.5?
    2. Which piece shows 0.2?
    3. Which pieces show 0.3?
  2. Show 1 whole another way using green and purple pieces.
    Write a number sentence for this figure.
  3. Copy the number sentences below.
    Use <, >, or = to make the statements true.
    Justify your answers using circle pieces.
    For example, this figure shows that 0.4 = .
    1. 0.6
    2. 0.6
    3. 0.9 1.0
    4. 1.1 1
    5. 1.2
    6. 1.2 1

Use the Showing Decimals pages in the Student Activity Book to show decimals in many different ways.