Add 1-Digit Numbers and Teen Numbers: Missing Digits Worksheet

This add 1-digit numbers and teen numbers worksheet consists of a set of questions on addition, which help students develop fluency. If an addend is missing, students use the count-on method or the relationship between addition and subtraction to determine the missing number. Also, they add the addends if the missing number is the sum of the addition sentence. This worksheet, add 1-digit numbers and teen numbers, offers a tonne of practice with this idea.