Exploring Additive Inverse Mathematics Formative Assessment

Exploring Additive Inverse
Name _______________________________
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.
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
Copyright ©2014 - All Rights Reserved