1.   Estimate × 28.
    A. 7 B. 18
    C. 9 D. 14
    Hint

  2.   Estimate .
    A. B. 1
    C. D.
    Hint

  3.   Jamie needs to bake batches of brownies. If the recipe for a batch calls for cups of sugar, about how many cups of sugar are needed?
    A. 4 cups B. 2 cups
    C. 6 cups D. 3 cups
    Hint

  4.   The circle graph shows the favorite desserts of 33 students. About how many prefer pie?
   
    A. 3 B. 6
    C. 4 D. 5
    Hint

  5.   Estimate .
    A. 24 B. 10
    C. 12 D. 18
    Hint