Add 1s or 10s (no regrouping)

The  exercise appears under the Early math Math Mission. This exercise has the Khan Academy user practice adding ones or tens to a two-digit number.

Types of problems
There is one type of problem in this exercise:
 * 1) Add the numbers: This problem asks the student to add two numbers and type the answer. The answer's always between under and 100. The number the student is adding to the two-digit number is either between one or ten, or greater than ten Adding1sor10s.png

Strategies
Knowledge of adding numbers within 100 are encouraged to ensure success while doing this exercise.
 * 1) The answers in this exercise are always under 100.
 * 2) There is no regrouping in this exercise.

Real-life Applications

 * 1) Addition can be used for adding objects, like adding money totals.