Given a verbal description of a real-world relationship, determine the sequence that models that relationship. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Three lessons on how students can discover the basics of arithmetic sequences, arithmetic means, and arithmetic series. Each lesson has an overview, materials, procedures, and evaluation techniques.

Given distinct, congruent triangles, students are asked to show that congruence can always be shown with one, two, or three rigid motions. Aligns with G-CO.A.5.

In this task, students are shown two triangles that appear to be similar, but whose similarity cannot be proven without further information. Students are asked to provide a sequence of similarity transformations that maps one triangle to...

The lesson will be implemented as part of a unit about plants. The students will learn about the growth cycle of a peanut and use a Five-Step Sequence Think-sheet to sequence the steps. They will also make predictions and complete...