1.   1.Which fraction modeled below rounds to 1 when rounding to the nearest ?
    A. B.
    C. D.
    Hint

  2.   Estimate .
    A. 36 B. 27
    C. 40 D. 30
    Hint

  3.   About how many -inch ribbons can a seamstress cut from a 36-inch ribbon?
    A. 6 B. 4
    C. 7 D. 5
    Hint

  4.   Estimate × 21.
    A. 15 B. 28
    C. 16 D. 11
    Hint

  5.   If a batch of cookies takes of an hour to prepare and bake, about how many batches of cookies can be prepared and baked in three hours?
    A. 12 B. 13
    C. 15 D. 10
    Hint



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