I can find the number that makes 10 when added to the given number
Practice problem 1 for K.OA.4
Practice problem 2 for K.OA.4
Practice problem 3 for K.OA.4
Practice problem 4 for K.OA.4
Practice problem 5 for K.OA.4
Practice problem 6 for K.OA.4
Practice problem 7 for K.OA.4
Practice problem 8 for K.OA.4
Practice problem 9 for K.OA.4
Practice problem 10 for K.OA.4