1.   Tell which sentence is the best estimate for $23.10 ÷ 4.
    A. $30 ÷ 3 = 10 B. $24 ÷ 4 = $6
    C. $20 ÷ 10 = 2 D. $24 ÷ 6 = $4
    Hint

  2.   Tell which sentence is the best estimate for $82.40 ÷ 19.
    A. $80 ÷ 20 = $40 B. $80 ÷ 10 = $10
    C. $80 ÷ 20 = $4 D. $80 ÷ 2 = $40
    Hint

  3.   Tell which sentence is the best estimate for $200 ÷ 26.
    A. $200 ÷ 20 = $10 B. $260 ÷ 26 = $10
    C. $200 ÷ 25 = $40 D. $200 ÷ 25 = $8
    Hint

  4.   A hose was turned on for 8 minutes. During that time, 210 quarts of water came out of the hose. How much water came out each minute?
    A. about 25 qt/ B. about 20 qt
    C. about 202 qt D. about 250 qt
    Hint

  5.   A small jar holds 211 coins. A box holds 12,685 coins. About how many times more coins are in the box than in the jar?
    A. about 600 times B. about 60 times
    C. about 200 times D. about 6 times
    Hint