12 Questions Add and subtract rational numbers Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers. Based on Common Core standard 7-NS.A.1 and TEKS grade7, standard 3A What is 1/3 + 2/5? 3/8 3/15 7/15 11/15 What is 2/5 – 7/8? –5/40 –19/40 5/40 19/40 What is 13.94 + (–4.5)? 9.44 9.89 13.49 18.44 … and 9 more awesome questions! Check them out by clicking “Play”.
