# Arithmetic Math Mission

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The **Arithmetic Math Mission** is a set of skills on Khan Academy, but got renamed in the Math mission updates of August 2016 to Arithmetic essentials Math Mission. This mission consists of foundational material regarding the structure, definitions, properties and operations on different types of numbers.

## Mission Specifics

### Addition and subtraction

- Addition within five
- Subtraction within five
- Addition within 20
- Subtraction within 20
- Addition within 100
- Addition within 1000
- Subtraction within 100
- Subtraction within 1000

### Multiplication and division

- Whole numbers on the number line
- Multiplying 1-digit numbers
- Basic division
- 1-digit division
- Comparing with multiplication
- Multiplication and division word problems
- Multiply by tens
- Multiplication without carrying
- Multiplication with carrying
- Multiplying 2 digits by 2 digits
- Multi-digit multiplication
- Multi-digit division without remainders
- Division with remainders
- Division by 2 digits
- Multi-digit division
- Multiplying 2 digits by 2 digits with area models

### Negative numbers and absolute value

- Negative numbers on the number line
- Negative numbers on the number line without reference to zero
- Ordering small negative numbers
- Number opposites
- Adding negative numbers
- Subtracting negative numbers
- Interpreting negative numbers
- Multiplying and dividing negative numbers
- Finding absolute values
- Comparing absolute values
- Interpreting absolute value
- Absolute value to find distance

### Decimals

- Writing and interpreting decimals
- Comparing decimal place value
- Money and decimal place value intuition
- Regrouping decimals
- Decimals on the number line 1
- Decimals on the number line 2
- Decimals on the number line 3
- Comparing decimals (tenths, hundredths, and thousandths)
- Ordering decimals
- Adding decimals (tenths)
- Adding decimals 1
- Adding decimals 2
- Subtracting decimals 0.5
- Subtracting decimals
- Subtracting decimals 2
- Adding and subtracting decimals word problems
- Multiplying decimals 1
- Multiplying decimals 2
- Dividing completely
- Dividing decimals 1
- Dividing decimals 2
- Dividing decimals 3
- Dividing decimals 4
- Converting fractions to decimals
- Rewriting decimals as fractions
- Rewriting decimals as fractions 2
- Converting decimals to percents
- Converting percents to decimals
- Finding percents
- Discount, tax, and tip word problems
- Markup and commission word problems
- Rounding decimals
- Significant figures
- Rewriting fractions as decimals
- Understanding moving the decimal
- Adding and subtracting negative fractions, decimals, and percents

### Fractions

- Recognizing fractions 1
- Identifying numerators and denominators
- Fractions on the number line
- Adding and subtracting fractions of pizzas, pies, and cakes
- Equivalent fractions introduction
- Fractions cut and copy 1
- Simplifying fractions
- Equivalent fractions
- Equivalent fractions 2
- Comparing fractions with the same numerator or denominator
- Comparing fractions with different numerators and denominators
- Ordering fractions
- Decomposing fractions
- Adding fractions with common denominators
- Subtracting fractions with common denominators
- Adding and subtracting fractions with like denominators word problems
- Adding fractions with 10 and 100 as denominators
- Adding fractions with unlike denominators
- Subtracting fractions with unlike denominators
- Adding and subtracting negative fractions
- Adding and subtracting fractions with unlike denominators word problems
- Multiplying fractions by whole numbers
- Multiplying positive fractions
- Multiplying positive and negative fractions
- Fraction multiplication as scaling
- Multiplying fractions and whole numbers word problems
- Multiplying fractions by fractions word problems
- Converting mixed numbers and improper fractions
- Unit fractions on the number line
- Comparing fractions and mixed numbers
- Fractions cut and copy 2
- Rational numbers on the number line
- Adding and subtracting mixed numbers with like denominators 1
- Adding and subtracting mixed numbers with unlike denominators
- Multiplying mixed numbers
- Converting fractions to decimals
- Rewriting decimals as fractions
- Rewriting decimals as fractions 2
- Writing fractions as repeating decimals
- Understanding fractions as division
- Dividing unit fractions by whole numbers
- Dividing whole numbers by unit fractions
- Division with fractions and whole numbers word problems
- Understanding dividing fractions by fractions
- Dividing fractions
- Dividing positive and negative fractions
- Dividing fractions word problems

### Telling time

Users can view other Math Missions here.