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# Comparative Relational Thinking Worksheet

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59 KB|4 pages
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This worksheet practices the skill of comparative relational thinking by asking students to determine whether 10 addition equations are true or false without calculating. For example, you know that 57 + 13 = 59 + 11 because 59 is two more than 57 and 11 is two less than 13. The addition of 2 and the subtraction of 2 cancel out and the equation remains equal. Students are asked to prove their answer by providing this information. Answer key included. Created by Amber Mealey.

This worksheet can be used to assess Fourth Grade Mathematics Florida Standard MAFS.4.OA.1.a: Determine whether an equation is true or false by using comparative relational thinking. For example, without adding 60 and 24, determine whether the equation 60 + 24 = 57 + 27 is true or false.

Update: I added a second version of the worksheet that utilizes a slightly different method for showing student work.
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4 pages
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