Bishop, Jessica Pierson, Lamb, Lisa L., Whitacre, Ian, Philipp, Randolph A., and Schappelle, Bonnie P. Beyond the Sign Rules. Retrieved from https://par.nsf.gov/biblio/10407299. Mathematics Teacher: Learning and Teaching PK-12 115.3 Web. doi:10.5951/MTLT.2021.0230.

Bishop, Jessica Pierson, Lamb, Lisa L., Whitacre, Ian, Philipp, Randolph A., & Schappelle, Bonnie P. Beyond the Sign Rules. Mathematics Teacher: Learning and Teaching PK-12, 115 (3). Retrieved from https://par.nsf.gov/biblio/10407299. https://doi.org/10.5951/MTLT.2021.0230

Bishop, Jessica Pierson, Lamb, Lisa L., Whitacre, Ian, Philipp, Randolph A., and Schappelle, Bonnie P. "Beyond the Sign Rules". Mathematics Teacher: Learning and Teaching PK-12 115 (3). Country unknown/Code not available. https://doi.org/10.5951/MTLT.2021.0230. https://par.nsf.gov/biblio/10407299.

@article{osti_10407299,
place = {Country unknown/Code not available}, title = {Beyond the Sign Rules}, url = {https://par.nsf.gov/biblio/10407299}, DOI = {10.5951/MTLT.2021.0230}, abstractNote = {Are your students negative about integers? Help them experience positivity and joy doing integer arithmetic!}, journal = {Mathematics Teacher: Learning and Teaching PK-12}, volume = {115}, number = {3}, author = {Bishop, Jessica Pierson and Lamb, Lisa L. and Whitacre, Ian and Philipp, Randolph A. and Schappelle, Bonnie P.}, }