Are you looking for ways for your students to practice addition to 20? Your students will get excited about math while they practice their addition fluency skills with this hidden picture puzzle of math Boom Cards. Students will work on their addition within 20 skills as they compose and decompose numbers with this sums to 20 deck of task cards. Click here to try this deck for free!Use this deck to model a lesson during whole group instruction, reinforce skills in small groups, as independ