In Bundle Boom™ Cards Christmas Yeti Polar Bear Unknown Numbers Grade 2 Unit, learners set up the problem to solve by drag and drop using candy cane and light bulb movables. ☃️Students type in an answer and press submit. ☃️These 6 fun activities for numbers within 10 or 20 can be used as whole group instruction, math centers and interventions. These lessons are randomized and different for each practice! ☃️These unknown number lessons are a perfect way to enhance math skills. ☃️Tens frames