Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition lesson, 2nd graders learn to add and subtract three-digit numbers with and without...

Third graders examine fractions by descriptively writing about them. In this number sense lesson, 3rd graders read number sentences and compare fractions based on their size. Students explain fractions to a friend by writing a friendly...

Students explore a math concept. In this math lesson, students practice matching a number with its corresponding word. Students can work independently or with teacher help.

Students solve and graph linear equations. In this algebra instructional activity, students solve systems of equations using elimination and substitution. They graph their answer and identify the point of intersection.