Set of six partner mission cards for two-digit addition practice using a hundreds chart, including specific guide prompts and regrouping alerts.

A two-digit addition practice worksheet using a hundreds chart, organized into sections with and without regrouping. Includes an area for students to explain their reasoning.

A comprehensive slide deck for teaching two-digit addition using a hundreds chart, covering tens and ones navigation and regrouping techniques.

An instructional anchor chart illustrating how to use a hundreds chart for two-digit addition by jumping down for tens and right for ones.

A student practice worksheet or exit ticket for assessing two-digit addition on a 100's chart. Includes a full 1-100 grid for student reference, dedicated sections for adding multiples of 10 (jumps) and adding one-digit numbers with regrouping (slides), ending with a multi-step word problem challenge.

Partner-facing activity cards and instruction sheet for 'Number Quest'. These cards provide addition prompts (2rd + multiple of 10 and 2rd + 1rd with regrouping) designed to be solved using a 100's chart in pairs.

A high-visibility anchor chart illustrating the three main rules for adding with a 100's chart: jumping down for tens, sliding right for ones, and the 'wrap-around' technique for regrouping at the end of a row. Ideal for classroom display or student reference folders.

Teacher-facing facilitation guide for a 30-minute lesson on 100's chart addition. Includes pacing, instructional strategies for regrouping (the 'wrap-around' method), and differentiation tips for various learner levels.

Educational slide deck for a 1st-grade math lesson on using a 100's chart for two-digit addition with regrouping. Features clear visual guides for adding tens by jumping down and ones by sliding right, including specific 'wrap-around' logic for regrouping.

Activity Set 1 (Activities 4-6) of the Math Mastery Marathon. Includes scaled bar graphs with corrected Y-axis labels and rotation, high-contrast numerical comparison showdowns with standardized ranking areas, and strip diagram logic with expanded work zones. All activities feature 6 rigorous problems per page with consistent game-like formatting. Theme removed for pure math precision. 6 problems per page. Fixes clipping in comparison duels and unreadable vertical labels. Added footers for organization. Fixed overlapping graph axes.