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.

Visual slide deck for Lesson 4. Revised to fix slide bleed-over and overlapping elements, use tables for perfect math alignment, and complete the instructional demonstration.

Student worksheet for Lesson 4. Revised to fix the critical digit-wrapping issue using tables for perfect column alignment, fix page breaks, and ensure work areas are large and white.

Teacher guide for Lesson 4. Revised to fix page breaks, include a visual for the standard algorithm modeling, and properly label the answer key.

Instructional slide deck for Lesson 3. Revised to increase text contrast, add guided practice examples, and ensure clear visual flow.

Student worksheet for Lesson 3. Revised to fix page breaks (keeping all problems on one page), redesign student work areas for vertical expanded form alignment, and improve contrast.

Teacher guide for Lesson 3. Revised to fix page breaks, expand the answer key with detailed steps, and improve formatting.

Visual slide deck for Lesson 2. Revised to include the critical "circling" instructional step and 5-group dot arrangements for better conceptual understanding.

Student worksheet for Lesson 2. Revised to fix page breaks, improve contrast of labels, ensure a white student work area for the final problem, and align with the "Tent/Peg" metaphor.

Teacher guide for Lesson 2. Revised to ensure answer key is on the same page and properly labeled.

Instructional slide deck for Lesson 1. Revised to include the intermediate regrouping steps and ensure visual consistency between block sizes.

Student worksheet for Day 1. Includes place value mats for drawing or placing base-ten blocks. Revised to fix page breaks, improve contrast, and ensure work areas are large and white.

Teacher lesson guide for the first day of double-digit addition, focusing on concrete base-ten block modeling and the concept of regrouping as "trading" ten ones for one ten. Revised to ensure answer key is visible on one page.

A teacher-facing guide for supporting ML students during the post-assessment phase, including vocabulary scaffolds, setup checklists, and a student word bank.

A mid-unit formative check designed for ML students to practice identifying places and values while using sentence frames to communicate their mathematical thinking.

A highly visual slide deck for the ML vocabulary launch, introducing key place value terms like digit, place, value, and expanded form with sentence frames.

A strategic teacher-facing guide outlining the 3-phase push-in model for ML support in 2nd-grade math, focusing on vocabulary, formative checks, and assessment bridges.

Answer key for the Unit 5 assessment worksheet. Includes full sentences for context and consolidated to a single page.

Assessment for Unit 5 vocabulary: equal parts, fourths, whole, halves, quarters, unequal parts, describe, restate, partition, characteristic. Consolidated to a single page with expanded drawing areas.

Answer key for the Unit 4 assessment worksheet. Includes full sentences for context and consolidated to a single page.

Assessment for Unit 4 vocabulary: compare, tally chart, data, discuss, enough, across, reasonable. Consolidated to a single page with improved student work area.

Answer key for the Unit 3 assessment worksheet. Includes full sentences for context and consolidated to a single page.

Assessment for Unit 3 vocabulary: column, less than, greater than, place value, symbol, enough, model, method. Consolidated to a single page with improved student work area.

Answer key for the Unit 2 assessment worksheet. Includes full sentences for context and consolidated to a single page.

Assessment for Unit 2 vocabulary: hour, tally mark, making a ten, teen number, check, decide, arrange, solution. Features matching and sentence completion. Consolidated to a single page with corrected spacing and header.