Exploring Additive Inverse Mathematics Formative Assessment

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Exploring Additive Inverse
Name _______________________________
Date___________
1) Write a word problem using a real-world example in which two opposite quantities have
a sum of zero.
2) Write a numerical expression that matches the word problem you wrote.
3) Show your expression on the number line.
0
4) Is the sum of two opposite numbers always zero? Explain in terms of a number line.
Mathematics Formative Assessment System
Florida Center for Research in Science, Technology, Engineering, and Mathematics
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