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Pre-algebra Math Mission

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Pre-alg

The Pre-algebra Math Mission dashboard

The Pre-algebra Math Mission is a set of skills on Khan Academy. This mission consists of foundational material and then proceeds into many topics.

Mission Specifics

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 2

Factors and multiples

  1. Divisibility tests
  2. Divisibility intuition
  3. Factor pairs
  4. Identifying factors and multiples
  5. Prime numbers
  6. Composite numbers
  7. Prime factorization
  8. The fundamental theorem of arithmetic
  9. Divisibility
  10. Least common multiple
  11. Greatest common factor
  12. GCF and LCM word problems

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

Ratios, proportions, units, and rates

  1. Ratio word problems
  2. Solving ratio problems with tables
  3. Basic rate problems
  4. Rate problems 2
  5. Units

Applying mathematical reasoning

  1. Reading stem and leaf plots
  2. Reading pictographs 1
  3. Reading pictographs 2
  4. Reading bar charts 1
  5. Creating bar charts
  6. Reading bar charts 2
  7. Reading bar charts 3
  8. Multi-step rational number word problems
  9. Comparing two-digit numbers
  10. Writing numerical inequalities
  11. Writing inequalities to describe real-world situations
  12. Inequalities on a number line
  13. Math patterns 2
  14. Visualizing and interpreting relationships between patterns
  15. Evaluating expressions with parentheses
  16. Translating expressions with parentheses
  17. Creating expressions with parentheses

Exponents, radicals, and scientific notation

  1. Exponents
  2. Whole number exponents with integer bases 2
  3. Square roots of perfect squares
  4. Approximating square roots
  5. Simplifying square roots
  6. Simplifying square roots 2
  7. Adding and subtracting radicals
  8. Cube roots
  9. Cube roots 2
  10. Using exponent rules to evaluate expressions
  11. Properties of exponents
  12. Positive and negative exponents
  13. Scientific notation intuition
  14. Scientific notation
  15. Multiplication and division with powers of ten
  16. Multiplying and dividing scientific notation
  17. Computing in scientific notation

Arithmetic properties

  1. Place value
  2. Understanding place value
  3. Rounding whole numbers
  4. Understanding whole number representations
  5. Regrouping whole numbers
  6. Recognizing rational and irrational numbers
  7. Comparing irrational numbers with a calculator
  8. Order of operations
  9. Order of operations with negative numbers
  10. Distributive property

Measurement

  1. Measuring area with unit squares
  2. Area problems
  3. Perimeter 1
  4. Finding perimeter
  5. Volume with unit cubes 1
  6. Volume 1
  7. Volume word problems

Users can view the other Math Missions here.

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