This file contains 19 Google Slide lessons to be used with any 1st grade math curriculum. The slides are interactive. Students can answer questions on the screen by coming to the front, using a dry erase board, manipulatives, etc. These slide shows can be used to introduce or review skills. Skills included are: time to the half hour, time to the hour, mixed time to hour and half hour, counting like coins, rules for measurment, sorting 2D shapes, compose 3D shapes, plane shapes, etc.