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Grade 6 Topics

  1. 1 Number Concepts Part I
  2. 2 Number Concepts Part II
  3. 3 Introduction to Algebra
  4. 4 Steps toward Algebra
  5. 5 Decimal Arithmetic
  6. 6 More Advanced Decimal Concepts
  7. 7 Steps toward Algebra: Solving Equations
  8. 8 Introduction to Fraction Concepts
  9. 9 Number Types
  10. 10 Arithmetic of Fractions and Mixed Numbers Part I
  11. 11 Arithmetic of Fractions and Mixed Numbers Part II
  12. 12 Arithmetic of Fractions and Mixed Numbers Part III
  13. 13 Counting Numbers (Z) Part I
  14. 14 Counting Numbers (Z) Part II
  15. 15 Two Dimensional Figures Part I
  16. 16 Two Dimensional Figures Part II
  17. 17 Ratios, Rates, and Proportions
  18. 18 Solving Proportions
  19. 19 Working with Percents
  20. 20 Solving Percentage Problems
  21. 21 Working with Equations and Graphs
  22. 22 Measurement
  23. 23 Two-Dimensional Measurement Formulae
  24. 24 Three-Dimensional Measurement Formulae
  25. 25 Graphs and Data
  26. 26 Introduction to Statistics
  27. 27 Probability
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a. What is the LCM of 6 and 15?
Factorization of 6 = 2x3
Factorization of 3 = 3x5 The least common prime factor is 3 and factors contain are 2 and 5.
Therefore, the LCM of 6 and 15 is= 2x3x5 =

Correct answer is 30.
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