Answer keys for the set of four skip counting exit tickets. Versions cover sequences within 2-20. Assessment is designed for zero visual cues.

A set of four skip counting by 2s exit tickets, each with a different missing number for variation. Versions cover sequences within 2-20, using uniform box styling for assessment.

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.

Instructional slide deck for the final lesson. Revised to include more practice problems, improve icon choices for strategies, and ensure clear visual hierarchy.

Summative assessment worksheet for the final lesson. Revised to fix math column alignment using tables, ensure student work areas are large and white, and fix border page-break issues.

Final teacher guide for the unit. Revised to fix page breaks (answer key on page 1), correct grammatical errors, and ensure consistency with the student worksheet.