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# Unit: Foundations

#### 0

Possible mastery points

## Negative numbers

Practice
Negative numbers on the number lineGet 5 of 7 questions to level up!
Adding negative numbersGet 5 of 7 questions to level up!
Subtracting negative numbersGet 5 of 7 questions to level up!
Multiplying negative numbersGet 3 of 4 questions to level up!
Dividing negative numbersGet 3 of 4 questions to level up!

## Absolute value

Practice
Finding absolute valuesGet 5 of 7 questions to level up!
Interpreting absolute valueGet 3 of 4 questions to level up!

#### Quiz 1

Level up on the above skills and collect up to 700 Mastery points

## Square roots

Practice
Square rootsGet 5 of 7 questions to level up!
Simplify square rootsGet 3 of 4 questions to level up!
Simplify square roots (variables)Get 3 of 4 questions to level up!

#### Quiz 2

Level up on the above skills and collect up to 600 Mastery points

## Order of operations

Practice
Order of operationsGet 5 of 7 questions to level up!
Order of operations with negative numbersGet 5 of 7 questions to level up!

## Fractions

Practice
Adding & subtracting negative fractionsGet 5 of 7 questions to level up!
Multiplying positive and negative fractionsGet 3 of 4 questions to level up!
Dividing positive and negative fractionsGet 3 of 4 questions to level up!

#### Quiz 3

Level up on the above skills and collect up to 500 Mastery points

## Decimals, fractions and percentages

Practice
Intro to percentsGet 5 of 7 questions to level up!
Percents from fraction modelsGet 3 of 4 questions to level up!
Relate fractions, decimals, and percentsGet 3 of 4 questions to level up!
Converting fractions to decimalsGet 3 of 4 questions to level up!
Write decimals as fractionsGet 5 of 7 questions to level up!
Finding percentsGet 5 of 7 questions to level up!
Percent word problemsGet 5 of 7 questions to level up!

#### Quiz 4

Level up on the above skills and collect up to 700 Mastery points

## Operations with decimals

Practice
Adding decimals: thousandthsGet 5 of 7 questions to level up!
Subtracting decimals: thousandthsGet 5 of 7 questions to level up!
Dividing decimals: hundredthsGet 3 of 4 questions to level up!

#### Quiz 5

Level up on the above skills and collect up to 400 Mastery points

## Area of triangles

Practice
Area of trianglesGet 5 of 7 questions to level up!

## Circumference and area of circles

Practice
Radius and diameterGet 5 of 7 questions to level up!
Area of a circleGet 5 of 7 questions to level up!

#### Quiz 6

Level up on the above skills and collect up to 300 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 3200 Mastery points!

### About this unit

This topic isn't algebra, but it is a survey of all of the most important pre-algebra skills you need to really digest algebra. These skills also tend to be pretty important in life in general!