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Basic Math

Give your kids a fun and simple way to learn and improve with our child friendly design. Our grade K-8 courses put practice first so they can quickly test their knowledge and develop their skills further. Browse one of our topics to see what you kids will experience.
  1. 1Numbers and Relations
    1. 1.1What is an integer?
    2. 1.2Place value
    3. 1.3Negative numbers and opposite numbers
    4. 1.4Comparing and ordering numbers
    5. 1.5Rounding numbers
    6. 1.6Understanding the number systems
    7. 1.7Upper and lower bound
  2. 2Rational and Irrational Numbers
    1. 2.1Comparing and ordering rational numbers
    2. 2.2Solving problems with rational numbers in decimal form
    3. 2.3Solving problems with rational numbers in fraction form
    4. 2.4Determine square roots of rational numbers
    5. 2.5Rational vs. Irrational numbers
  3. 3Operations of Decimals
    1. 3.1Adding and subtracting decimals
    2. 3.2Multiplying decimals
    3. 3.3Dividing decimals
    4. 3.4Order of operations (PEMDAS)
    5. 3.5Converting repeating decimals to fractions
  4. 4Factors and Multiples
    1. 4.1Divisibility rules
    2. 4.2Determining common multiples
    3. 4.3Determining Common Factors
    4. 4.4Prime factorization
    5. 4.5Greatest Common Factors (GCF)
    6. 4.6Least Common Multiple (LCM)
  5. 5Adding and Subtracting Integers
    1. 5.1Introduction to integer addition
    2. 5.2Adding integers
    3. 5.3Introduction to integer subtraction
    4. 5.4Subtracting integers
    5. 5.5Application of integer operations
  6. 6Multiplying and Dividing Integers
    1. 6.1Understanding integer multiplication
    2. 6.2Multiplying integers
    3. 6.3Understanding integer division
    4. 6.4Dividing integers
    5. 6.5Applications of integer operations
  7. 7Fractions
    1. 7.1What are fractions?
    2. 7.2Comparing and ordering fractions
    3. 7.3Using models to add and subtract fractions
    4. 7.4Adding fractions with like denominators
    5. 7.5Subtracting fractions with like denominators
    6. 7.6Adding and subtracting fractions with unlike denominators
    7. 7.7Adding and subtracting mixed numbers
    8. 7.8Multiplying fractions and whole numbers
    9. 7.9Dividing fractions with whole numbers
    10. 7.10Multiplying proper fractions
    11. 7.11Multiplying improper fractions and mixed numbers
    12. 7.12Dividing fractions and mixed numbers
    13. 7.13Applications of fraction operations
  8. 8Rates, Ratios, and Proportions
    1. 8.1What is ratio?
    2. 8.2Ratios
    3. 8.3Applications of ratios
    4. 8.4Rates
    5. 8.5Rates with fractions
    6. 8.6Proportions
    7. 8.7Converting among ratios, fractions and decimals
  9. 9Percents
    1. 9.1Representing percents
    2. 9.2Converting among decimals, fractions, and percents
    3. 9.3Applications of percents
    4. 9.4Representing percents
    5. 9.5Percents, fractions, and decimals
    6. 9.6Percent of a number
    7. 9.7Adding and multiplying percents
    8. 9.8Taxes, discounts, tips and more
    9. 9.9Simple interest