CH 9: Developing Meaning for the Operations

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Across
  1. 3. using story boards involving ____ are good methods of helping students understand the ____ property
  2. 5. the join or separate problems in which the start part is unknown are often the most _________.
  3. 8. ______ problems involve the comparison of two quantities.
  4. 9. the __________ property for addition means you can change the order of the addends and it does not change the answer.
  5. 10. a ____ equation is one that is listed in the order that follows the meaning if the word problem
  6. 14. problems in which the site of the set is unknown are called fair-share or ______
  7. 15. by 1st grade ________ should start to be introduced through story problems
  8. 16. there are 3 quantities involved a starting amount, change amount, and resulting amount. Any of them can be unknown in a problem.
  9. 17. ____ is an arrangement of things in a row and columns, such as a rectangle of square tiles or blocks
  10. 18. in a part-part-whole model, when the whole and one of the parts are known, _____ names the other part
  11. 19. _______ is used to name the whole in terms of parts
  12. 20. the _____ property for addition states that when adding 3 or more numbers, it does not matter whether the first pair is added first or if you start with any other pair of addends.
Down
  1. 1. involves 2 parts that are combined into one whole or one of the missing parts
  2. 2. _____ model involves two distinct sets or quantities and the difference between them.
  3. 4. In _______ problems the start amount is the hole or largest amount, whereas in doing problems, the result is whole
  4. 6. _____ may have 3 functions, to be discarded of, force the answer up or round to the nearest tenth
  5. 7. in a multiplicative ____ problem there are two different sets as there were with the compirson situation for addition and subtraction
  6. 11. _____________ is used to describe all problems that involve multiplication and division
  7. 12. this form is one you would use when you would use a calculator to solve the equation
  8. 13. Choosing ______ for problems should be within the childs/class ability