Arithmetic Thinking
Learn to wield important tools in number sense and computation.
Finding Half
Combining Parts
Splitting Parts
Splitting and Combining
Equal Parts
Level Review
Sixths and Twelfths
Eighths and Sixteenths
Making Equivalent Fractions
Simplifying Fractions
Equivalent Fractions
Identifying Equivalents
Level Review
Comparing Numerators
Comparing Denominators
Comparing Equivalents
Comparing More Equivalents
Identifying the Greatest
Level Review
Adding Fractions
Adding Same-Sized Fractions
Adding Unlike Parts
Adding Unit Fractions
Adding Any Fractions
Level Review
Multiples of Fractions
Expressing Multiples
Fractions of Unit Fractions
Products of Unit Fractions
Fraction of Any Fraction
Multiplying Fractions
Level Review
Intro to Percentages
Working out Percentages
Percentages and Batteries
Percentages as Fractions
Level Review
Percent Increase
Price Increase
Calculating Percent Increase
Level Review
Percentages as Tenths
Percentages as Hundredths
Finding the Percentage
Percentages as Decimals
Calculating the Percentage
Level Review
Percent Decrease
Calculating Percent Decrease
Finding the Original Price
Reversing Percentages
Level Review
Compound Changes
Compound Calculations
Splitting Percent Changes
Growing and Shrinking
Exponential Growth
Level Review
Positives and Negatives
Negative Numbers
Making Integers
Addition
Level Review
Increasing Value
Decreasing Value
Zero
Opposites
Adding Negatives
Adding Negatives and Positives
Level Review
Missing Values
Subtracting Positives
Subtracting Negatives
Subtracting From Zero
Subtracting Positives 2
Subtracting Negatives 2
Level Review
Adding The Opposite
Subtracting Using Addition
Subtracting the Opposite
Order in Subtraction
Adding in Any Order
Level Review
The Number Line
Addition on the Number Line
Adding Large Integers
Adding Several Integers
Subtraction from 0
Subtraction on the Number Line
Level Review
Ordering Integers
Ordering Negatives
Absolute Value
Adding and Absolute Value
Absolute Value Inequalities
Reasoning with Absolute Value
Level Review
Distance Between Integers
A Pair at Every Distance
Subtracting to Find Distance
Absolute Value and Distance
Reasoning About Distance
Level Review
Up next
Coordinate Plane
Understand the coordinate plane to visualize the mathematical world.
What will I learn in Arithmetic Thinking?
In this course, we'll build your understanding of fractions, percentages, and integers using visuals and your intuition. You'll learn powerful tools for picturing numbers and their relationships and apply your sharpened number sense to a range of everyday situations.
What topics are covered in the course?
- Fraction comparison
- Equivalent fractions
- Fraction operations
- Percentages as fractions
- Percentages as decimals
- Percentage increase and decrease
- Applications of percentages
- Negative numbers
- Opposites
- Addition and Subtraction of Integers
- The Number Line
- Absolute Value
- Distance on the Number Line
What prerequisites and next steps are there?
This course is for anyone ready for a refresher and new challenges on core numerical concepts.