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# Unit 2: Arithmetic with rational numbers

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The most fundamental branch of math is arithmetic operations. It consists of adding, subtracting, multiplying, and dividing numbers. By this point, performing these operations on whole numbers might be a piece of cake, but now we'll mix those numbers up with decimals and fractions. Get ready to slice and dice!

## Adding and subtracting decimals word problems

### Practice

#### Quiz 1

Level up on the above skills and collect up to 240 Mastery points

## Dividing fractions by fractions

### Practice

#### Quiz 2

Level up on the above skills and collect up to 480 Mastery points

## Dividing decimals

### Practice

#### Quiz 3

Level up on the above skills and collect up to 560 Mastery points
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#### Unit test

Level up on all the skills in this unit and collect up to 1,600 Mastery points!