Numbers 11-20
eleven "I have ___ pencils."
twelve "There are ___ months in a year."
thirteen "My sister is ___ years old."
fourteen "Two weeks have ___ days."
fifteen "I have ___ dollars in my pocket."
sixteen "There are ___ birds in the tree."
seventeen "My friend is ___ years old."
eighteen "There are ___ students in my class."
nineteen "I have ___ marbles in the box."
twenty "We have ___ fingers and toes."