Add 1 or 10

The  exercise appears under the Early math Math Mission and Arithmetic Math Mission. This exercise has the Khan Academy user practice adding one or ten 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 give type the answer. The answer's always between under and 100. The number the student is adding to the two-digit number is either one or ten Adding1or10.PNG

Strategies
This answers in this exercise are always under 100.

Real-life Applications
Addition can be used for adding objects, like adding money totals.