Math - Vocab Set 2

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Across
  1. 7. a letter that represents an unknown number
  2. 8. A mathematical sentence that contains an equals sign.
  3. 10. Numbers that are easy to add, subtract, multiply, or divide mentally.
  4. 11. (PEMDAS) the rules that say which calculation comes first when simplifying an expression (PEMDAS)
  5. 12. A whole number greater than 1 that has more than two factors.
  6. 14. the number that is being divided
  7. 15. The third place value after a decimal point.; represents 1/1000 of a whole.
  8. 18. The number the dividend is being divided by
  9. 19. Expressing a number to the nearest thousandth, hundredth, tenth, one, ten, hundred, thousand, and so on as directed.
  10. 20. A whole number greater than 1 with only two factors, 1 and itself
Down
  1. 1. A mathematical phrase involving only numbers and operations
  2. 2. A number that is not exact; a careful guess.
  3. 3. Numbers that are multiplied together to get a product
  4. 4. opposite operations, or ones that undo each other such as addition and subtraction or multiplication and division
  5. 5. counting numbers and zero; 0, 1, 2, 3...
  6. 6. the size of each group or the number of groups when the dividend is divided by the divisor
  7. 9. The first place value after a decimal point.; represents 1/10 of a whole.
  8. 13. the total when two or more factors are multiplied together
  9. 16. when a number can be divided by another with a whole number quotient and no remainder
  10. 17. The second place value after a decimal point.; represents 1/100 of a whole.