This brief video shows students how to enter a fraction into the TI-15 calculator and to add fractions. Students should access to a TI-15 calculator while viewing, This video may be embedded within Google Classroom.

This is one possible method for using the area model for division.

With this division strategy, students divide by breaking the dividend into its expanded form. Then, students use familiar multiplication facts to divide. It is suggested that this would be the first of three strategies for division (preceding partial quotients and the standard algorithm.

This super-helpful chart outlines the mental math strategies students should be exposed to through Number Talks in grades K-5.  Each strategy is linked to a video of a teacher introducing/explaining how to use that stratgy.  This chart is the perfect companion for teachers implementing Number Talks in their classrooms!

This video demonstrates the functions of the TI-15 calculator. It may be used as a professional development for teachers, or for training students. It is not recommended that the video is shown to students in its entirety. If you scroll down to the comments section under the video, time markers for each function are provided. Click on the time markers to go directly to that specific function.