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 Copyright ©2014 - All Rights Reserved