Unit 2/3 Vocabulary

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Across
  1. 2. The result of division.
  2. 6. Numbers that are greater than 0. They are located to the right of 0 on a horizontal number line and above 0 on a vertical line.
  3. 7. Free from errors. An accurate answer is true and correct.
  4. 9. To show or represent by a sign or symbol.
  5. 11. compared to something or someone else.
  6. 16. Numbers that are the same distance from 0 on a number line but in opposite directions. Opposite numbers have the same numeral, but opposite signs. The opposite of a number is also called the additive inverse of that number.
  7. 18. Height above or below a given level, often sea level.
  8. 20. A number’s distance from 0 on a number line. Absolute value is NEVER negative.
  9. 21. To put something into a place for safekeeping. A bank deposit is money put into a bank account.
  10. 23. A number that names equal parts of a whole. A fraction names a point on the number line and can also represent the division of two numbers.
  11. 25. Two numbers whose sum is zero. Opposite numbers from a zero pair.
  12. 26. A statement that something is true or false. A claim can be proven with reasons and evidence and can be disproven with counterexamples.
  13. 27. The act of taking something away.
  14. 28. To find a close position or almost exact value of something.
  15. 30. The result of multiplication.
  16. 32. A group of numbers, variables, and/or operation symbols that represents a mathematical relationship. An expression without variables, such as 3 + 4, is called a numerical expressions. An expression without numbers is called an algebraic expression.
Down
  1. 1. The set of whole numbers and their opposites.
  2. 3. Multiplying each term in a sum or difference by a common factor does not change the value of the expression. For any numbers a, b, and c, a(b + c) = ab + ac. Equation: A mathematical statement that uses an equal sign (=) to show that two expressions have the same value.
  3. 4. To find the value of an expression.
  4. 5. Numbers that are less than 0. They are located to the left of 0 on a horizontal number line and below 0 on a vertical number line. Opposite numbers: Numbers that are the same distance from 0 on a number line but in opposite directions. Opposite numbers have the same numeral, but opposite signs. The opposite of a number is also called the additive inverse of that number.
  5. 8. To use as a sign, symbol, or example for something.
  6. 10. Decimals that end, or end in repeated zeros. Dividend - the number that is divided by another number.
  7. 12. Decimals that repeat the same digit or sequence of digits forever. A repeating decimal can be written with a bar over the repeating digits.
  8. 13. System of symbols or characters used to represent information.
  9. 14. A process or result of finding a value using mathematics.
  10. 15. To explain why something is correct or incorrect by giving logical reasons.
  11. 17. An example that opposes an idea or claim is incorrect.
  12. 19. A number that can be expressed as the fraction or a decimal.
  13. 22. The result of division.
  14. 24. The sum of a set of values divided by the number of values. This is often called the average.
  15. 29. To approximate the value of a number by finding the nearest ten, hundred, or other place value.
  16. 31. The number by which another number is divided.