Children practice finding the sum of two three-digit whole numbers, with no regrouping, in this math worksheet.

Kids solve addition problems with two-digit addends using regrouping on this third grade math worksheet.

Students solve addition problems with two-digit addends and no regrouping on this fruit-themed worksheet.

Kids help Olga the Octopus on this second grade math worksheet by solving subtraction problems with two-digit numbers using regrouping.

Kids add, subtract, or use math facts they have committed to memory to fill in the missing numbers in the fact families on this second grade math worksheet.