Fourth Grade Chapter 2 Vocabulary

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Across
  1. 5. the property of addition that states for any number, zero plus that number is the number
  2. 6. the property of addition which states that the grouping of the addends does not change the sum
  3. 8. a sentence that contains an equal sign showing that two expressions are equal
Down
  1. 1. the property of addition which states that the order in which two numbers are added does not change the sum
  2. 2. a number subtracted from another number
  3. 3. an amount that has not been identified
  4. 4. the number from which another number is subtracted
  5. 7. a letter or symbol used to represent an unknown quantity