Multiple choice Find the missing digit in the following. 286 + 1 ___ 7 = 433 1 2 3 4 Reveal answer Fill a bubble to check yourself D Correct answer Explanation 286 + 1 __ 7 = 433 6 + 7 = 13 8 + 1 (carried) + 4 = 13 So, the missing digit is 4.