This is an interactive product for the Smart Board. It uses the familiar characters, "Duckling" and "Pigeon" to introduce or reinforce subtraction and addition skills up to fifteen. This product has 30 slides. The students can read(or be read to) the word problem on the Smart Board. In the addition sentence, the students can drag infinitely cloned cookies to show the addition sentence. After the students have written the addition sentence, they are to tap the thought bubble above Pigeon's head to reveal the correct answer. In the subtraction sentences, students are to read the sentence and tap the correct amount of cookies to fade out of the screen. Again, they may self-correct their own work by tapping Pigeon's thought bubble. This product may be printed as a pdf. or printed file to accompany the centers or lessons.