Arithmetic Math Mission

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.

The Arithmetic Math Mission dashboard

Mission Specifics

Addition and subtraction

1. Addition within five
2. Subtraction within five
3. Addition within 20
4. Subtraction within 20
5. Addition within 100
6. Addition within 1000
7. Subtraction within 100
8. Subtraction within 1000

Multiplication and division

1. Whole numbers on the number line
2. Multiplying 1-digit numbers
3. Basic division
4. 1-digit division
5. Comparing with multiplication
6. Multiplication and division word problems
7. Multiply by tens
8. Multiplication without carrying
9. Multiplication with carrying
10. Multiplying 2 digits by 2 digits
11. Multi-digit multiplication
12. Multi-digit division without remainders
13. Division with remainders
14. Division by 2 digits
15. Multi-digit division
16. Multiplying 2 digits by 2 digits with area models

Negative numbers and absolute value

1. Negative numbers on the number line
2. Negative numbers on the number line without reference to zero
3. Ordering small negative numbers
4. Number opposites
5. Adding negative numbers
6. Subtracting negative numbers
7. Interpreting negative numbers
8. Multiplying and dividing negative numbers
9. Finding absolute values
10. Comparing absolute values
11. Interpreting absolute value
12. Absolute value to find distance

Decimals

1. Writing and interpreting decimals
2. Comparing decimal place value
3. Money and decimal place value intuition
4. Regrouping decimals
5. Decimals on the number line 1
6. Decimals on the number line 2
7. Decimals on the number line 3
8. Comparing decimals (tenths, hundredths, and thousandths)
9. Ordering decimals
10. Adding decimals (tenths)
11. Adding decimals 1
12. Adding decimals 2
13. Subtracting decimals 0.5
14. Subtracting decimals
15. Subtracting decimals 2
16. Adding and subtracting decimals word problems
17. Multiplying decimals 1
18. Multiplying decimals 2
19. Dividing completely
20. Dividing decimals 1
21. Dividing decimals 2
22. Dividing decimals 3
23. Dividing decimals 4
24. Converting fractions to decimals
25. Rewriting decimals as fractions
26. Rewriting decimals as fractions 2
27. Converting decimals to percents
28. Converting percents to decimals
29. Finding percents
30. Discount, tax, and tip word problems
31. Markup and commission word problems
32. Rounding decimals
33. Significant figures
34. Rewriting fractions as decimals
35. Understanding moving the decimal
36. Adding and subtracting negative fractions, decimals, and percents

Fractions

1. Recognizing fractions 1
2. Identifying numerators and denominators
3. Fractions on the number line
4. Adding and subtracting fractions of pizzas, pies, and cakes
5. Equivalent fractions introduction
6. Fractions cut and copy 1
7. Simplifying fractions
8. Equivalent fractions
9. Equivalent fractions 2
10. Comparing fractions with the same numerator or denominator
11. Comparing fractions with different numerators and denominators
12. Ordering fractions
13. Decomposing fractions
14. Adding fractions with common denominators
15. Subtracting fractions with common denominators
16. Adding and subtracting fractions with like denominators word problems
17. Adding fractions with 10 and 100 as denominators
18. Adding fractions with unlike denominators
19. Subtracting fractions with unlike denominators
20. Adding and subtracting negative fractions
21. Adding and subtracting fractions with unlike denominators word problems
22. Multiplying fractions by whole numbers
23. Multiplying positive fractions
24. Multiplying positive and negative fractions
25. Fraction multiplication as scaling
26. Multiplying fractions and whole numbers word problems
27. Multiplying fractions by fractions word problems
28. Converting mixed numbers and improper fractions
29. Unit fractions on the number line
30. Comparing fractions and mixed numbers
31. Fractions cut and copy 2
32. Rational numbers on the number line
33. Adding and subtracting mixed numbers with like denominators 1
34. Adding and subtracting mixed numbers with unlike denominators
35. Multiplying mixed numbers
36. Converting fractions to decimals
37. Rewriting decimals as fractions
38. Rewriting decimals as fractions 2
39. Writing fractions as repeating decimals
40. Understanding fractions as division
41. Dividing unit fractions by whole numbers
42. Dividing whole numbers by unit fractions
43. Division with fractions and whole numbers word problems
44. Understanding dividing fractions by fractions
45. Dividing fractions
46. Dividing positive and negative fractions
47. Dividing fractions word problems

Telling time

1. Telling time to the nearest minute
2. Telling time without labels

Users can view other Math Missions here.