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TIME SAVER GAMES, PART TWO—ADDING FRACTIONS

Grades: 4‒5

Students construct fractions on a number line that add up to different target sums, all greater than one. Given lists of possible numerators and denominators, students must build the fractions using only those numbers. Students identify strategies for constructing the sums using the fewest possible addends.

OBJECTIVES 
  • Students will develop strategies for adding fractions with like denominators to reach given target sums larger than one.
  • Students will decompose improper fractions into sums of a whole number and a fractional part.

COMMON CORE CONNECTIONS 
Mathematical Practices

(1) Make sense of problems and persevere in solving them; (2) Reason abstractly and quantitatively; (3) Construct viable arguments and critique the reasoning of others; (5) Use appropriate tools strategically; (7) Look for and make use of structure.

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This activity is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License: http://creativecommons.org/licenses/by-nc-sa/3.0/. If you adapt and/or share this activity, you must attribute it to "KCP Technologies, a McGraw-Hill Education Company." You may distribute it only non-commercially under the same or similar license.


This material is based upon work supported by the National Science Foundation under KCP Technologies Award ID 0918733, with grant period September 1, 2009 through August 31, 2013. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
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