Consolidate 2-digit subtraction with base-ten blocks. Worksheets are included for three different levels:Level 1: Subtract a single-digit number from a 2-digit numberLevel 2: Subtract 2-digit numbersLevel 3: Subtract a 2-digit number from a 3-digit numberThis activity is included in The Hive's Math program for FORMING MULTIPLES OF 10 FOR SUBTRACTION (Grades 1 & 2).