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