Do you want to make learning subtracting 10s from two-digit numbers fun? Are you looking for purposeful, digital, NO PREP, paperless practice for subtraction? This product is for you! This Boom Cards™ deck provides students practice with subtracting multiples of 10 from 99. The subtrahends are 10, 20, 30, and 40.A 100 chart is provided on each slide to support your students.This game supports the Common Core Standard 1.NBT.C.6Boom cards can be used in centers, assigned for homework, RTI, interv