Chapter 2 Crossword

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Across
  1. 3. property of multiplication The product of any number and zero is equal to zero.
  2. 6. Decreasing one quantity by another. Also known as adding the opposite.
  3. 8. To solve an algebraic expression with known variable values.
  4. 9. Adding a number to zero a given amount of times. Notated with an "x", a dot, or parentheses.
  5. 10. coefficient Also known as a coefficient. The number factor (constant) accompanying the variable in a term.
  6. 11. Any symbol that stands in the place of a number or numbers.
  7. 14. property of addition The sum of a number and its opposite is equal to zero.
  8. 15. A number/variable whose value does not change.
  9. 18. element The element in a set, typically of numbers, that does not change the value of any element in the set when those elements are combined in a given operation.
  10. 21. Two non-equal numbers that are the same distance from 0.
  11. 22. property Changing the grouping of terms (visualized as moving parentheses), if all operations are the same, does not change the answer. Applies to addition and multiplication.
  12. 25. Increasing one value by another. Also thought of as subtracting the opposite.
  13. 27. factor A number that divides all numbers in a given set evenly.
  14. 30. To write or say something in a different way.
  15. 32. value Counting how many of a certain unit there is in a number.
  16. 34. terms Terms that have the same variable(s) with the same exponents. Coefficients may be different.
  17. 35. Any of the numbers being combined in a multiplication problem. Any number that divides a given number evenly.
  18. 37. The answer to an addition problem.
  19. 38. property of addition The sum of any number and zero is equal to that number.
  20. 39. Increasing or decreasing a number to the closest specified place value.
Down
  1. 1. The set of all numbers that includes all positive and negative whole numbers.
  2. 2. inverses Two numbers whose sum is equal to zero.
  3. 4. Two expressions, that may contain different numbers and/or operations, that represent the same value.
  4. 5. numbers The set of numbers that includes 0 and all positive multiples of 1.
  5. 7. property Changing the order of the terms, if all operations are the same, does not change the answer. Applies to addition and multiplication.
  6. 8. A mathematical statement consisting of numbers and/or operations.
  7. 12. Finding a value close to a given number, typically through rounding.
  8. 13. The answer to a multiplication problem.
  9. 16. One of the numbers being combined in an addition problem.
  10. 17. A way of showing a stated rule is true by using previously accepted rules and facts.
  11. 19. property of addition The sum of two integers equals an integer.
  12. 20. property of multiplication The product of any two integers is an integer.
  13. 23. expression An expression with variables.
  14. 24. To eliminate as many operations, numbers, and/or variables from an expression as possible.
  15. 26. property of multiplication The product of any number and one is equal to that number.
  16. 28. of Operations A list of steps used to help solve expressions with more than one operation (even if they are the same operation).
  17. 29. Rules that are accepted to be true under a given set of circumstances.
  18. 31. A constant, a variable, or the product of a constant and one or more variables. They are separated from each other by addition or subtraction in an expression.
  19. 33. property The product of a factor and a sum is equal to the sum of the products of each addend times the factor.
  20. 36. Determine the amount or number of something mathematically.
  21. 37. To replace a value in an expression with another value.