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Arithmetic

This section contains online arithmetic practice exercises. Each exercise includes theory, an interactive exercise for self-checking, and a printable version.

Natural numbers

Divisibility

Multiplication

  • Arithmetic
  • Decimals
  • Fractions
  1. Comparison of two natural numbers.
  2. ➕ Addition of two natural numbers.
  3. ➖ Subtraction of two natural numbers.
  4. ➕➖ Addition and subtraction of two natural numbers.
  5. ➕➖ Addition and subtraction of numbers 1 and 2.
  6. ➕➖ Addition and subtraction of number 3.
  7. ➕➖ Addition and subtraction of numbers 6 and 7.
  8. ➕➖ Addition and subtraction within 10.
  9. ➕➖ Addition and subtraction within 20.
  10. ➕➖ Addition and subtraction within 100.
  11. ➕➖ Addition and subtraction within 1000.
  12. ➕➖ Addition and subtraction of three-digit numbers.
  13. ✖️ Multiplication table.
  14. ✖️ Multiplication of one-digit and two-digit natural numbers.
  15. ✖️ Multiplication of a three-digit number by a one-digit number.
  16. ✖️ Multiplication of two two-digit natural numbers.
  17. ✖️ Multiplication of two-digit and three-digit natural numbers.
  18. ✖️ Multiplication of two three-digit natural numbers.
  19. ✖️ Multiplication of two natural numbers.
  20. ➗ Division of two natural numbers.
  21. ➕➖✖️➗ Calculations with two natural numbers.
  22. ➕➖✖️➗ Calculations with two numbers.
  23. ➗ Remainder of division of natural numbers.
  24. Greatest common divisor (GCD).
  25. Least common multiple (LCM).
  26. ➗ Divisibility rules for 2.
  27. ➗ Divisibility rules for 3.
  28. ➗ Divisibility rules for 4.
  29. ➗ Divisibility rules for 5.
  30. ➗ Divisibility rules for 6.
  31. ➗ Divisibility rules for 7.
  32. ➗ Divisibility rules for 8.
  33. ➗ Divisibility rules for 9.
  34. ➗ Divisibility rules for 11.
  1. ➕ Addition of decimals.
  2. ➖ Subtraction of decimals.
  3. ➕➖ Addition and subtraction of two decimals.
  4. ➕➖ Addition and subtraction of three decimals.
  5. ✖️ Multiplication of a decimal by a natural number.
  6. ✖️ Multiplication of a decimal by 10, 100, 1000.
  7. ✖️ Multiplication of two decimals.
  8. ✖️ Multiplication of a decimal by 0.1, 0.01 and 0.001.
  9. ➗ Division of a decimal by a natural number.
  10. ➗ Division of a decimal by 10, 100, 1000.
  11. ➗ Division of two decimals.
  12. ➗ Division of a decimal by 0.1, 0.01, 0.001.
  13. Comparison of decimals.
  1. ➕➖ Addition and subtraction of fractions with equal denominators.
  2. Reduction of fractions.
  3. Reducing fractions to the least common denominator.
  4. Converting improper fractions to mixed numbers.