Low prep! Teach place value, teen number recognition and build number sense easily! Includes everything you need for your students to practice ten plus facts using double ten frames with numbers from 11-20. Differentiate easily with numerals, ten frames, 10+ facts and tens and ones. Perfect for kindergarten, first grade and second grade. Understanding teen numbers lays the groundwork for place value, composing and decomposing numbers. Ideal for a whole group activities, small group activities,