A concise exit ticket to assess student understanding of triangular numbers and their ability to differentiate between various figurative number types.

A single-page independent practice sheet with 7 problems covering triangular and square number calculations, following the "You Do" phase of explicit instruction. All math notation uses MathJax.

A single-page graphic organizer for comparing triangular, square, and pentagonal numbers with space for dot patterns and value calculations, aligned with the explicit instruction model. Math notation uses MathJax.

A single-page guided notes handout for students to capture definitions, dot patterns, and algebraic formulas for figurative numbers using an "I do, We do, You do" structure. All math notation is rendered with MathJax.

A slide deck for explicit instruction on figurative numbers, featuring "I Do, We Do, You Do" modeling, visual dot patterns, and clear formula derivations. Uses MathJax for consistent mathematical notation.

A condensed, single-page explicit instruction lesson plan for teachers, focusing on triangular and square numbers with an "I do, We do, You do" framework and CCSS alignment. All math notation uses MathJax for rendering.

The teacher answer key for the Cake Crate Cleanup Worksheet, now optimized to show the multi-step multiplication and subtraction logic for finding remainders.