The **Addition and subtraction within 10** exercise appears under the Early math Math Mission. This exercise is a summary practice of all addition and subtraction facts up to ten.

## Types of problems

There is one type of problem that shows up in this exercise:

- Answer the questions: There are four addition or subtraction facts asked at a time. The student is to type in the answer to all four facts correctly and then submit.

## Strategies

Knowledge of adding and subtracting within 10 is essential to have success in this exercise.

- All four questions students are asked on the problem will use the same operation, i.e., they will be four addition problems or they will be four subtraction problems.

## Real-life Applications

- Addition can be used for adding objects, like adding money totals.
- Addition is a major fundamental for higher math levels like algebra, calculus, and more.