Number Operations

A quick assessment lesson for second-grade students to demonstrate mastery of addition and subtraction within 20 through a lab-themed exit ticket.

Students practice adding two-digit numbers to one-digit numbers and multiples of ten, covering both regrouping and non-regrouping scenarios.

An integrated literacy and math lesson themed around the New York Yankees, designed to build confidence and maintain engagement for students with attentional challenges. Students will practice 3-digit subtraction with regrouping through stadium statistics and develop reading and writing skills through baseball-themed narratives.

A 30-minute lesson teaching students how to use a 100's chart to add two-digit numbers, focusing on 2-digit + 1-digit with regrouping and 2-digit + multiples of 10. Students will learn the 'Jump and Slide' method for navigating the chart.

A culminating lesson where students apply their addition skills to solve summer camp word problems and mixed practice.

Students learn the standard algorithm for double-digit addition, focusing on correctly placing the 'carried' ten.

Students use expanded form to break down numbers and regroup sums, bridging the gap between drawings and the standard algorithm.

Students transition from physical blocks to drawing place value representations to solve addition problems with regrouping.

Students use base-ten blocks to model addition and practice 'trading' 10 ones for 1 ten to understand the foundation of regrouping.

Vocabulary assessment for Unit 2 covering time, counting, and problem-solving strategies.

A foundational vocabulary assessment designed for Grade 2 Multilingual Learners to measure understanding of essential addition and subtraction terms through visual matching and contextual sentence frames.

Students find and solve math problems hidden inside plastic eggs, reinforcing addition and subtraction fluency up to 20.

Transitions from visual ten-frames to writing equations through a hands-on cut-and-paste activity.

Focuses on visual identification of missing addends using ten-frames in a factory setting.

A 10-minute small group lesson split over two days focusing on decoding and solving three-number word problems using addition and subtraction.

A lesson focused on subtracting 1-digit numbers from multiples of ten (20, 30, 40, etc.) using counting back and regrouping strategies. Includes a visual slide deck and a themed practice worksheet.

An intensive small-group intervention lesson focused on breaking down and solving multi-step addition and subtraction word problems using a detective-themed 'Case Cracker' strategy.

Una lección integral que cubre la resta con reagrupación y los fundamentos de las fracciones utilizando bloques geométricos y rectas numéricas para segundo grado.

A series of lessons covering fraction reasoning and whole-number operations, adapted for 2nd-grade standards.

A second-grade math lesson focused on counting coins and making change up to $1.00 through the engaging theme of a vintage general store. Students solve word problems, match prices to change, and practice visual coin representation.

A comprehensive lesson on skip counting by 1s, 10s, and 100s within 1000, covering both forward and backward patterns starting from any number. Students act as 'Pattern Pathfinders' to solve number trail mysteries.

A focused assessment on skip counting by 2s within the range of 2-10. Students identify the missing number in a single sequence to demonstrate mastery of the pattern.

A focused review lesson on key math skills including place value, skip counting, number forms, and multi-digit addition and subtraction. Features a gradual release model (I Do, We Do, You Do) with integrated place value supports.

A focused assessment on skip counting by 2s within the range of 2-10. Students identify the missing number in a single sequence to demonstrate mastery of the pattern.

A pair of diagnostic assessments designed to pinpoint gaps in foundational number sense, fractions, and decimals, bridging 3rd-4th grade concepts to 5th grade mastery in preparation for 6th grade math.

A comprehensive math review lesson focused on place value, number patterns, comparisons, and addition/subtraction strategies for 2nd and 3rd grade students.

A comprehensive review packet covering counting sequences, place value, double-digit addition/subtraction with multiples of ten, and error analysis of addition strategies. Each core question type is practiced three times to ensure mastery.

A comprehensive unit on even/odd numbers, skip counting, and rectangular arrays. Students explore patterns using visual representations and context-based activities.

A series of activities for Section C, adapted for 2nd-grade students. This lesson explores partitioning various shapes, comparing shares across different-sized wholes, and using unit shares to build complex designs, continuing the focus on halves, thirds, and fourths.

A series of activities for Section B, adapted for 2nd-grade students. This lesson focuses on combining and taking away equal shares (halves, thirds, and fourths) through visual models and simple number lines, emphasizing partitioning and skip counting.

A series of activities focusing on 2nd-grade partitioning and skip counting concepts, adapted from Imagine IM Grade 4 materials. Students explore halves, thirds, and fourths through visual models and real-world snack scenarios.

Students apply addition and subtraction strategies to three-digit numbers and money amounts. Includes Lessons 18-23.

Students locate, compare, and order three-digit numbers on a number line and introduce rounding concepts. Includes Lessons 12-17.

Students investigate place value concepts, representing numbers up to 1,000, and understanding that 10 tens equal 100. Includes Lessons 6-11.

Students explore three-digit numbers using base-ten blocks, standard form, expanded form, and word form, and compare equivalent representations like 100 and 10 tens. Includes Lessons 1-5.

A comprehensive series of 2nd-grade math lessons focusing on building multiplication foundations through equal groups, repeated addition, and arrays, alongside measurement concepts. Includes concrete examples for all activities to support independent teacher delivery.

Activities focused on creating flower patterns and counting supplies using equal groups.

Activities focused on estimating group totals and comparing different sets of equal groups.

Activities focused on multi-step problems that combine groups or subtract from a total.

Activities focused on finding area by tiling and simple perimeter with small numbers.

A comprehensive lesson on skip counting by 1s, 10s, and 100s within 1000, covering both forward and backward patterns starting from any number. Students act as 'Pattern Pathfinders' to solve number trail mysteries.

A hands-on lesson focused on place value foundations, specifically the concept of composing a ten by trading 10 individual ones for 1 ten-rod using Unifix cubes.

A focused lesson on converting numbers from word form to standard form within the thousands place, using a detective-themed approach.

A Wild West-themed practice session for rounding 2 and 3-digit numbers to the nearest ten and hundred using task cards and word problems.

A 30-minute lesson teaching students how to use a 100's chart to add two-digit numbers, focusing on 2-digit + 1-digit with regrouping and 2-digit + multiples of 10. Students will learn the 'Jump and Slide' method for navigating the chart.

A culminating lesson where students apply their addition skills to solve summer camp word problems and mixed practice.

Students learn the standard algorithm for double-digit addition, focusing on correctly placing the 'carried' ten.

Students use expanded form to break down numbers and regroup sums, bridging the gap between drawings and the standard algorithm.

Students transition from physical blocks to drawing place value representations to solve addition problems with regrouping.

Students use base-ten blocks to model addition and practice 'trading' 10 ones for 1 ten to understand the foundation of regrouping.

A comprehensive unit focusing on understanding digits, place values up to 1,000, and comparing numbers using language-rich scaffolds for ML students.

Vocabulary assessment for Unit 2 covering time, counting, and problem-solving strategies.

A math review focused on making 'ballpark' estimates by rounding numbers to the nearest ten before adding. Includes differentiated tiers for 2-digit and 3-digit addition with a fresh spring theme.

A focused review lesson on key math skills including place value, skip counting, number forms, and multi-digit addition and subtraction. Features a gradual release model (I Do, We Do, You Do) with integrated place value supports.

A series of five daily warm-up questions focused on converting number names into standard form, progressing in difficulty from 3-digit numbers to the thousands.

A series of lessons covering fraction reasoning and whole-number operations, adapted for 2nd-grade standards.

A set of activities adapted from a 4th-grade decimals unit to a 2nd-grade place value level, focusing on hundreds, tens, and ones with clear examples for independent work.

A foundational vocabulary assessment designed for Grade 2 Multilingual Learners to measure understanding of essential addition and subtraction terms through visual matching and contextual sentence frames.

Students learn to measure two objects and determine the difference in their lengths using both standard and metric units. The lesson focuses on the 'how much longer' concept through hands-on measurement and subtraction.

Transitions from visual ten-frames to writing equations through a hands-on cut-and-paste activity.

Focuses on visual identification of missing addends using ten-frames in a factory setting.

A 10-minute small group lesson split over two days focusing on decoding and solving three-number word problems using addition and subtraction.

A lesson focused on breaking down and solving multi-step word problems using addition and subtraction through a detective-themed lens.

A focused review lesson on key math skills including place value, skip counting, number forms, and multi-digit addition and subtraction. Features a gradual release model (I Do, We Do, You Do) with integrated place value supports.

A series of lessons covering fraction reasoning and whole-number operations, adapted for 2nd-grade standards.

A pair of diagnostic assessments designed to pinpoint gaps in foundational number sense, fractions, and decimals, bridging 3rd-4th grade concepts to 5th grade mastery in preparation for 6th grade math.

A comprehensive math review lesson focused on place value, number patterns, comparisons, and addition/subtraction strategies for 2nd and 3rd grade students.

A comprehensive review packet covering counting sequences, place value, double-digit addition/subtraction with multiples of ten, and error analysis of addition strategies. Each core question type is practiced three times to ensure mastery.

A complete workbook containing all 17 lessons for the Fraction Explorers Unit 2, covering basic representation, equivalence, and comparisons for 2nd grade students.

A set of flashcards focused on balancing equations with addition and subtraction within 20, designed to build algebraic thinking and mental math fluency.

A focused practice set for mastering subtraction equations within 20, specifically targeting missing minuends (whole) and subtrahends (part).

A set of subtraction flashcards focusing on part-part-whole relationships within 20, featuring missing minuends, subtrahends, and differences.

A set of flashcards focused on finding the missing addend in equations with sums up to 20. Designed for hands-on practice and self-correction.

Students apply addition and subtraction strategies to three-digit numbers and money amounts. Includes Lessons 18-23.

Students locate, compare, and order three-digit numbers on a number line and introduce rounding concepts. Includes Lessons 12-17.

Students investigate place value concepts, representing numbers up to 1,000, and understanding that 10 tens equal 100. Includes Lessons 6-11.

Students explore three-digit numbers using base-ten blocks, standard form, expanded form, and word form, and compare equivalent representations like 100 and 10 tens. Includes Lessons 1-5.

A foundational lesson on multiplication using arrays, focusing on rows, columns, and repeated addition for second graders.

A series of lessons covering fraction reasoning and whole-number operations, adapted for 2nd-grade standards.

A set of activities adapted from a 4th-grade decimals unit to a 2nd-grade place value level, focusing on hundreds, tens, and ones with clear examples for independent work.

A pair of diagnostic assessments designed to pinpoint gaps in foundational number sense, fractions, and decimals, bridging 3rd-4th grade concepts to 5th grade mastery in preparation for 6th grade math.

A comprehensive unit on even/odd numbers, skip counting, and rectangular arrays. Students explore patterns using visual representations and context-based activities.

A visual guide connecting story problems to equal group models. The lesson covers multiplication (finding the total), sharing division (finding the group size), and grouping division (finding the number of groups).

This lesson sequence introduces students to the concept of equal shares and partitioning shapes into halves, thirds, and fourths, using repeated addition to bridge the gap between parts and wholes. Students explore these concepts through hands-on activities with food-themed visuals and classroom objects.

A comprehensive series of 2nd-grade math lessons focusing on building multiplication foundations through equal groups, repeated addition, and arrays, alongside measurement concepts. Includes concrete examples for all activities to support independent teacher delivery.

Activities focused on creating flower patterns and counting supplies using equal groups.

Activities focused on estimating group totals and comparing different sets of equal groups.

Activities focused on multi-step problems that combine groups or subtract from a total.

Activities focused on finding area by tiling and simple perimeter with small numbers.

Activities focused on solving multi-step word problems using equal groups and skip counting.

Activities focused on solving word problems involving grouping and sharing with remainders.

Activities focused on interpreting what leftovers mean in real-world situations.

Activities focused on identifying leftovers when sharing groups of objects.

Activities focused on choosing strategies like circling groups to solve sharing problems.

Activities focused on using repeated subtraction to solve simple sharing problems.

Activities focused on using drawings and diagrams to represent sharing situations.

Activities focused on using base-ten blocks to find how many tens are in a number.

A lesson focused on identifying the two distinct unknowns in multi-step mathematical word problems using a detective-themed assessment.

A lesson focused on solving two-step word problems involving addition, subtraction, multiplication, and division. Students practice breaking down complex problems and showing their mathematical thinking in a structured workspace.

A culminating lesson where students apply their addition skills to solve summer camp word problems and mixed practice.

Students learn the standard algorithm for double-digit addition, focusing on correctly placing the 'carried' ten.

Students use expanded form to break down numbers and regroup sums, bridging the gap between drawings and the standard algorithm.

Students transition from physical blocks to drawing place value representations to solve addition problems with regrouping.

Students use base-ten blocks to model addition and practice 'trading' 10 ones for 1 ten to understand the foundation of regrouping.

Vocabulary assessment for Unit 2 covering time, counting, and problem-solving strategies.

Students learn to measure two objects and determine the difference in their lengths using both standard and metric units. The lesson focuses on the 'how much longer' concept through hands-on measurement and subtraction.

A 10-minute small group lesson split over two days focusing on decoding and solving three-number word problems using addition and subtraction.

A lesson focused on breaking down and solving multi-step word problems using addition and subtraction through a detective-themed lens.

A lesson focused on solving one-step word problems using three-digit addition, both with and without regrouping. Includes a bakery-themed worksheet and a corresponding teacher answer key.

A collection of word problems themed around a pet shop, focusing on one-step addition, subtraction, multiplication, and division. Includes a student worksheet with ample workspace and a corresponding teacher answer key.

A lesson focused on identifying the mathematical operation needed to solve word problems by analyzing the actions and relationships described in the text. Students learn to 'decode' story problems into number sentences across all four operations.

An assessment and data tracking bundle designed to evaluate a student's ability to identify mathematical relationships (joining, separating, and equal groups) within word problems and translate them into number sentences.

A lesson focused on subtracting 1-digit numbers from multiples of ten (20, 30, 40, etc.) using counting back and regrouping strategies. Includes a visual slide deck and a themed practice worksheet.

An intensive small-group intervention lesson focused on breaking down and solving multi-step addition and subtraction word problems using a detective-themed 'Case Cracker' strategy.

Una lección integral que cubre la resta con reagrupación y los fundamentos de las fracciones utilizando bloques geométricos y rectas numéricas para segundo grado.

A series of lessons covering fraction reasoning and whole-number operations, adapted for 2nd-grade standards.

A second-grade math lesson focused on counting coins and making change up to $1.00 through the engaging theme of a vintage general store. Students solve word problems, match prices to change, and practice visual coin representation.

A comprehensive logic lesson where students act as detectives to identify rules in visual and numerical sequences, building inductive reasoning and prediction skills.

A focused assessment on skip counting by 2s within the range of 2-10. Students identify the missing number in a single sequence to demonstrate mastery of the pattern.

A comprehensive unit on even/odd numbers, skip counting, and rectangular arrays. Students explore patterns using visual representations and context-based activities.

A complete workbook containing all 17 lessons for the Fraction Explorers Unit 2, covering basic representation, equivalence, and comparisons for 2nd grade students.

A series of activities for Section C, adapted for 2nd-grade students. This lesson explores partitioning various shapes, comparing shares across different-sized wholes, and using unit shares to build complex designs, continuing the focus on halves, thirds, and fourths.

A series of activities for Section B, adapted for 2nd-grade students. This lesson focuses on combining and taking away equal shares (halves, thirds, and fourths) through visual models and simple number lines, emphasizing partitioning and skip counting.

A series of activities focusing on 2nd-grade partitioning and skip counting concepts, adapted from Imagine IM Grade 4 materials. Students explore halves, thirds, and fourths through visual models and real-world snack scenarios.

Activities focused on creating flower patterns and counting supplies using equal groups.

Activities focused on estimating group totals and comparing different sets of equal groups.

Activities focused on multi-step problems that combine groups or subtract from a total.

Activities focused on finding area by tiling and simple perimeter with small numbers.

Activities focused on solving multi-step word problems using equal groups and skip counting.

Activities focused on solving word problems involving grouping and sharing with remainders.

Activities focused on interpreting what leftovers mean in real-world situations.

Activities focused on identifying leftovers when sharing groups of objects.

Activities focused on choosing strategies like circling groups to solve sharing problems.

Activities focused on using repeated subtraction to solve simple sharing problems.

Activities focused on using drawings and diagrams to represent sharing situations.

Activities focused on using base-ten blocks to find how many tens are in a number.

Activities focused on partitioning rectangles into rows and columns of same-size squares.

Activities focused on creating flower patterns and counting supplies using equal groups.

Activities focused on estimating group totals and comparing different sets of equal groups.

Activities focused on multi-step problems that combine groups or subtract from a total.

Activities focused on finding area by tiling and simple perimeter with small numbers.

Activities focused on solving multi-step word problems using equal groups and skip counting.

Activities focused on solving word problems involving grouping and sharing with remainders.

Activities focused on interpreting what leftovers mean in real-world situations.

Activities focused on identifying leftovers when sharing groups of objects.

Activities focused on choosing strategies like circling groups to solve sharing problems.

Activities focused on using repeated subtraction to solve simple sharing problems.

Activities focused on using drawings and diagrams to represent sharing situations.

Activities focused on using base-ten blocks to find how many tens are in a number.

Activities focused on partitioning rectangles into rows and columns of same-size squares.

Activities focused on fair sharing and grouping objects into equal sets.

Activities focused on solving and creating word problems involving equal groups and arrays.

Activities focused on choosing the best skip counting strategy for different group sizes.

Activities focused on writing equations for arrays using both rows and columns.

Activities focused on identifying equal groups and writing matching addition sentences.

Activities focused on decomposing a large array into two smaller arrays.

Activities focused on changing arrays by adding or removing rows and columns.