Cite
MLA Citation
Cristina Runnalls and Dae S. Hong. “Half the base or half the height?: Exploring a student's justification of ½ × base × height.” International journal of mathematical education in science and technology, vol. 51, no. 4, 2020, pp. 604–613. http://access.bl.uk/ark:/81055/vdc_100105443614.0x00005c