Developing Algebraic Thinking

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Across
  1. 1. Pattern / Easiest patterns are those involving two colors or variables.
  2. 3. / (2 + 3) + 4 = 2 + (3 + 4) and (a + b) + c = a + (b + c) is an example of which property?
  3. 4. expression / Any mathematical expression whose power or degree is two.
  4. 7. / The part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulas and equations.
  5. 9. / A statement that one expression is greater than (or less than) the other.
  6. 11. variable / Equation that may have its value freely chosen without considering values of any other variable.
  7. 14. / A number that is not a fraction.
  8. 15. / A series or sequence that repeats.
  9. 17. / A list of things (usually numbers) that are in order.
  10. 19. / Is a number or quantity we do not know.
  11. 20. patterns / Patterns that grow or change.
Down
  1. 1. / Similar to arithmetic property often could get mixed up.
  2. 2. / Letters that represent quantities that may or may not vary or change.
  3. 5. / The basic arithmetic operations for real numbers are addition, subtraction, multiplication, and division.
  4. 6. of operations / Uses the acronym "PEMDAS"
  5. 8. / Are physical objects that are used as teaching tools to engage students in the hands-on learning of mathematics.
  6. 10. line / A straight line with numbers placed at equal intervals or segments along its length.
  7. 12. / is a symbolic statement and can be either arithmetic expression, such as 2 + 3.
  8. 13. variable / That depends on one or more other variables is a...
  9. 16. / A statement that two expressions are equal.
  10. 18. / A relationship that states that two mathematical expressions have the same value.