Number Operations

Foundational tools for assessing student levels and planning instruction based on California Power Standards across grades K-5.

A kindergarten math lesson focusing on addition and subtraction within 10, comparing quantities, and extending patterns through a 'Garden Explorers' theme. Includes group instruction slides, independent practice worksheets, and a hands-on sorting activity.

Students will solve single-digit addition and subtraction word problems through an engaging narrative about caring for pets in a neighborhood.

A 15-minute outdoor scavenger hunt focusing on math skills from one-to-one counting to addition and subtraction within 20, themed around nature exploration.

A hands-on 20-minute session focusing on one-to-one correspondence, stopping at a target number, and comparing quantities using counting bears or cubes.

A comprehensive assessment package for 1st Grade mathematics based on the Massachusetts Curriculum Frameworks, including an observation checklist and a teacher's task guide for conducting the assessment.

A comprehensive assessment package for Pre-K mathematics based on the Massachusetts Curriculum Frameworks, including an observation checklist and a teacher's task guide for conducting the assessment.

A review of numbers 0-3 with a matching activity and a 5-day progress tracker for teacher assessment.

Introduction to the number three using the three-dot diagonal pattern and group-based visual aids.

Introduction to the number two using the diagonal dot pattern and pair-based visual aids.

Introduction to the number one using Becky Lord's dot pattern (center dot) and various visual representations.

An introduction to the concept of zero using visual representations of "empty" and "none" with coloring and tracing practice.

A fun, space-themed lesson focusing on counting backwards within the range of 0 to 120, helping students master number sequences and identifying missing values in a countdown.

A lesson focused on mastering the 100 chart through varying levels of number recognition and sequencing challenges. Students fill in missing numbers to navigate the grid and build fluency with numbers 1-100.

A lesson focused on mastering the 'counting on' strategy for numbers up to 100, featuring visual sequences and hands-on strip activities.

A foundational math lesson focused on composing and decomposing the number ten using ten-frames. Students practice identifying how many more are needed to reach ten.

A comprehensive set of counting task cards focusing on identical items up to 20, designed for children with autism using clear visuals and predictable layouts across four high-interest themes: bugs, animals, trucks, and cars.

The final stage of the Pond Patrol Academy, where students demonstrate mastery of counting and representing numbers from 1 to 20. This lesson focuses on accuracy with larger sets and fluidly moving between numerals and quantities.

A multisensory subtraction lesson for Kindergarteners using cubes and five-frames to explore taking away within 5. Includes a partner game and visual aids for both addition and subtraction.

A toolkit for RSP teachers to transform a scope and sequence into a functional daily curriculum. Includes instructional frameworks, diagnostic tools, and planning templates specifically designed for multi-grade math intervention.

A targeted small group lesson focusing on finding unknown numbers in addition and subtraction equations within 20. Students use the 'Part-Part-Whole' model to solve for unknowns in various positions.

A small group lesson for 1st grade students focused on solving comparison word problems involving length by finding unknown numbers in addition and subtraction equations. Students use manipulatives to visualize length differences and translate them into algebraic thinking.

A comprehensive lesson on adding and subtracting integers using visual models like number lines and integer chips. Designed with modifications for accessibility, including step-by-step anchors and real-world applications.

A comprehensive review of adding and subtracting integers and calculating averages using numbers between -20 and 20, set in a polar exploration theme.

A lesson focused on solving one- and two-step addition and subtraction word problems within 100, featuring a detective-themed 'Math Mission' to engage students.

A series of targeted math worksheets for 3rd-grade RSP students to master 2nd-grade mental math and comparison standards using highly scaffolded place value supports.

Foundational tools for assessing student levels and planning instruction based on California Power Standards across grades K-5.

A quick practice set focused on solving basic rational equations where a single variable is in the denominator. Students will develop their algebraic manipulation skills to isolate the variable and find solutions.

A collection of single-digit addition and subtraction word problems themed around animal encounters. Students practice reading simple sentences and translating them into mathematical equations.

A beginner math lesson focusing on single-digit addition and subtraction within 20, using a fun ninja theme to engage students.

A 30-minute Tier 2 intervention designed to help Grade 4 students bridge the gap between fraction word problems and visual representations. Students act as 'Fraction Architects' to build area models, number lines, and fraction strips that accurately reflect addition and subtraction scenarios.

A Tier 2 intervention lesson for Grade 8 students focusing on solving systems of linear equations through graphing and substitution within real-world contexts. Students will analyze scenarios, identify solutions, and perform error analysis to deepen their conceptual understanding.

A comprehensive guide to solving systems of equations using substitution and elimination, themed around a high-stakes Roblox adventure. Students learn to 'glitch' equations to find the coordinates of the hidden 'Admin Key'.

Une leçon complète sur la résolution d'équations du premier degré, structurée comme un parcours d'entraînement pour devenir un 'Maître de l'Équilibre'. Elle couvre la distributivité, la réduction au même dénominateur, la transposition de termes et la vérification finale.

A 60-minute station-based exploration of two-step equations. Students rotate through five specialized 'Logic Lab' stations to master isolating variables using inverse operations.

A comprehensive Grade 4 Mathematics assessment package aligned with the Jamaican National Standards Curriculum (NSC), featuring a 60-question examination and a detailed teacher marking guide.

A comprehensive 90-minute lesson on writing and solving one-step addition and subtraction equations using real-world scenarios, a collaborative escape room, and a matching game.

A series of focused practice materials for Massachusetts place value standards in Grades 1 and 2, including tens/ones, hundreds, expanded form, and number comparisons.

A series of practice worksheets focused on three-digit subtraction without regrouping, featuring a visual number line to assist with mental math and place value visualization.

A comprehensive end-of-year assessment for second-grade students, covering all Massachusetts Mathematics Curriculum Framework standards including Operations and Algebraic Thinking, Number and Operations in Base Ten, Measurement and Data, and Geometry.

A targeted small group lesson focusing on finding unknown numbers in addition and subtraction equations within 20. Students use the 'Part-Part-Whole' model to solve for unknowns in various positions.

A small group lesson for 1st grade students focused on solving comparison word problems involving length by finding unknown numbers in addition and subtraction equations. Students use manipulatives to visualize length differences and translate them into algebraic thinking.

A small group lesson focused on analyzing and interpreting data from pictographs and bar graphs through a "Data Detectives" theme. Students will solve 'cases' by extracting information and making comparisons from visual data.

A comprehensive lesson on adding and subtracting integers using visual models like number lines and integer chips. Designed with modifications for accessibility, including step-by-step anchors and real-world applications.

Students solve multi-step word problems using the four operations and interpret remainders in real-world contexts. The lesson focuses on identifying the necessary steps and determining how to handle remainders based on the question's requirements.

A comprehensive review of adding and subtracting integers and calculating averages using numbers between -20 and 20, set in a polar exploration theme.

A lesson focused on solving one- and two-step addition and subtraction word problems within 100, featuring a detective-themed 'Math Mission' to engage students.

A 5th-grade math lesson focused on distinguishing between multiplication and division in multi-digit and decimal word problems using a 'Math Detective' framework.

The second week of spiral review shifts towards multi-step word problems, decimal notation, and geometric properties.

The first week of spiral review focuses on place value, basic multi-digit operations, and introductory fraction concepts.

A comprehensive lesson on scaled picture and bar graphs with a festive Cinco de Mayo theme, featuring taco toppings and piñata treats. Students will practice drawing graphs and solving 'how many more/less' problems.

Foundational tools for assessing student levels and planning instruction based on California Power Standards across grades K-5.

A comprehensive 4-week spiral review of 4th-grade math standards designed for 5th graders. Focuses on place value, multiplication, division, fractions, and decimals through a secret agent themed mission.

A kindergarten math lesson focusing on addition and subtraction within 10, comparing quantities, and extending patterns through a 'Garden Explorers' theme. Includes group instruction slides, independent practice worksheets, and a hands-on sorting activity.

A 3rd-grade mountain-themed math lesson where students tackle advanced 2-step and introductory 3-step word problems involving regrouping. Students use the 'Ascent Protocol' to navigate complex elevation changes, supply weights, and expedition costs.

Applies geometry and arithmetic to everyday tasks like cooking measurements, home DIY projects, and travel planning.

Covers the financial aspects of independent living, including renting, utility usage math, and basic insurance concepts.

Practical applications of percentages and ratios in shopping, including sales tax, discounts, tips, and unit price comparisons.

Explores the math behind interest rates (APR), credit card statements, and the long-term impact of debt.

Teaches students how to categorize expenses, use the 50/30/20 rule, and build a sustainable monthly budget.

A targeted small group lesson focusing on finding unknown numbers in addition and subtraction equations within 20. Students use the 'Part-Part-Whole' model to solve for unknowns in various positions.

A small group lesson for 1st grade students focused on solving comparison word problems involving length by finding unknown numbers in addition and subtraction equations. Students use manipulatives to visualize length differences and translate them into algebraic thinking.

A comprehensive lesson on adding and subtracting integers using visual models like number lines and integer chips. Designed with modifications for accessibility, including step-by-step anchors and real-world applications.

A comprehensive review of adding and subtracting integers and calculating averages using numbers between -20 and 20, set in a polar exploration theme.

A lesson focused on solving one- and two-step addition and subtraction word problems within 100, featuring a detective-themed 'Math Mission' to engage students.

A comprehensive lesson on 2-digit addition with regrouping and subtraction with borrowing, using a construction-themed approach to visualize building and breaking tens.

A comprehensive lesson on scaled picture and bar graphs with a festive Cinco de Mayo theme, featuring taco toppings and piñata treats. Students will practice drawing graphs and solving 'how many more/less' problems.

A math lesson for 3rd-grade RSP students focusing on foundational 2nd-grade number sense skills. Students will practice mental addition of 10 and 100 and use place value to compare numbers up to 1,000 using scaffolding such as place value mats and visual aids.

Foundational tools for assessing student levels and planning instruction based on California Power Standards across grades K-5.

A kindergarten math lesson focusing on addition and subtraction within 10, comparing quantities, and extending patterns through a 'Garden Explorers' theme. Includes group instruction slides, independent practice worksheets, and a hands-on sorting activity.

A comprehensive 3-page math packet for 3rd grade RSP students focusing on 2nd grade mental math and comparison standards. Progression from highly scaffolded practice to independent mastery.

Applies geometry and arithmetic to everyday tasks like cooking measurements, home DIY projects, and travel planning.

Covers the financial aspects of independent living, including renting, utility usage math, and basic insurance concepts.

Practical applications of percentages and ratios in shopping, including sales tax, discounts, tips, and unit price comparisons.

Explores the math behind interest rates (APR), credit card statements, and the long-term impact of debt.

Teaches students how to categorize expenses, use the 50/30/20 rule, and build a sustainable monthly budget.

Focuses on understanding gross vs. net pay, reading paystubs, and calculating common tax deductions to prepare students for their first professional earnings.

A collection of single-digit addition and subtraction word problems themed around animal encounters. Students practice reading simple sentences and translating them into mathematical equations.

A beginner math lesson focusing on single-digit addition and subtraction within 20, using a fun ninja theme to engage students.

Students will solve single-digit addition and subtraction word problems through an engaging narrative about caring for pets in a neighborhood.

A comprehensive lesson on rounding whole numbers to the nearest 10, 100, and 1,000 using the mountain hill visual strategy. Includes guided instruction and multi-level practice.

A lesson focused on understanding the magnitude of numbers through powers of 10, comparing small units like milligrams to larger quantities like grams using visual scales and scaffolded practice.

A comprehensive look at the powers of 10, scientific notation, and comparing the scale of objects from the microscopic to the cosmic. Students will learn to visualize and calculate magnitude differences.

The second week of spiral review shifts towards multi-step word problems, decimal notation, and geometric properties.

The first week of spiral review focuses on place value, basic multi-digit operations, and introductory fraction concepts.

A series of targeted math worksheets for 3rd-grade RSP students to master 2nd-grade mental math and comparison standards using highly scaffolded place value supports.

A math lesson for 3rd-grade RSP students focusing on foundational 2nd-grade number sense skills. Students will practice mental addition of 10 and 100 and use place value to compare numbers up to 1,000 using scaffolding such as place value mats and visual aids.

A comprehensive math intervention unit for 3rd-grade RSP students, focusing on 2nd-grade mental math, comparisons, and place value standards through a martial arts 'Number Ninja' theme.

Foundational tools for assessing student levels and planning instruction based on California Power Standards across grades K-5.

A comprehensive 4-week spiral review of 4th-grade math standards designed for 5th graders. Focuses on place value, multiplication, division, fractions, and decimals through a secret agent themed mission.

A comprehensive 3-page math packet for 3rd grade RSP students focusing on 2nd grade mental math and comparison standards. Progression from highly scaffolded practice to independent mastery.

A lesson focused on skip counting by 10s and 1s with a switch point to build number sense and place value understanding.

A hands-on lesson focused on place value where students group units into sets of ten and identify the remaining ones for numbers up to 99.

A Tier 2 math intervention focused on mastering multi-digit multiplication using area models and partial products. Designed for Grade 4 students to close prerequisite gaps and prepare for EOG-style problems.

A hands-on exploration of equivalent units and comparing magnitudes across liquid, weight, and length measurements, specifically designed for 3rd-grade students.

A comprehensive practice set for fifth-grade students to master decimal operations, including ordering, rounding, addition, and subtraction.

A comprehensive Grade 4 Mathematics assessment package aligned with the Jamaican National Standards Curriculum (NSC), featuring a 60-question examination and a detailed teacher marking guide.

A mini-lesson on comparing fractions with unlike denominators using 0, 1/2, and 1 as landmark benchmarks, including comparisons greater than one whole.

A series of focused practice materials for Massachusetts place value standards in Grades 1 and 2, including tens/ones, hundreds, expanded form, and number comparisons.

A series of practice worksheets focused on three-digit subtraction without regrouping, featuring a visual number line to assist with mental math and place value visualization.

Foundational tools for assessing student levels and planning instruction based on California Power Standards across grades K-5.

A lesson focused on skip counting by 10s and 1s with a switch point to build number sense and place value understanding.

A 15-minute outdoor scavenger hunt focusing on math skills from one-to-one counting to addition and subtraction within 20, themed around nature exploration.

A hands-on 20-minute session focusing on one-to-one correspondence, stopping at a target number, and comparing quantities using counting bears or cubes.

A comprehensive end-of-year assessment for second-grade students, covering all Massachusetts Mathematics Curriculum Framework standards including Operations and Algebraic Thinking, Number and Operations in Base Ten, Measurement and Data, and Geometry.

A comprehensive end-of-year assessment for first-grade students, covering all Massachusetts Mathematics Curriculum Framework standards including Operations and Algebraic Thinking, Number and Operations in Base Ten, Measurement and Data, and Geometry.

A comprehensive assessment package for 1st Grade mathematics based on the Massachusetts Curriculum Frameworks, including an observation checklist and a teacher's task guide for conducting the assessment.

A comprehensive assessment package for Pre-K mathematics based on the Massachusetts Curriculum Frameworks, including an observation checklist and a teacher's task guide for conducting the assessment.

A fun, space-themed lesson focusing on counting backwards within the range of 0 to 120, helping students master number sequences and identifying missing values in a countdown.

A lesson focused on mastering the 100 chart through varying levels of number recognition and sequencing challenges. Students fill in missing numbers to navigate the grid and build fluency with numbers 1-100.

A lesson focused on mastering the 'counting on' strategy for numbers up to 100, featuring visual sequences and hands-on strip activities.

A comprehensive set of counting task cards focusing on identical items up to 20, designed for children with autism using clear visuals and predictable layouts across four high-interest themes: bugs, animals, trucks, and cars.

The final stage of the Pond Patrol Academy, where students demonstrate mastery of counting and representing numbers from 1 to 20. This lesson focuses on accuracy with larger sets and fluidly moving between numerals and quantities.

A toolkit for RSP teachers to transform a scope and sequence into a functional daily curriculum. Includes instructional frameworks, diagnostic tools, and planning templates specifically designed for multi-grade math intervention.

A comprehensive guide for kindergarten teachers using the TERC Investigations 3 math curriculum, detailing every game and the necessary materials for all eight units.

The second stage of our pond patrol training, where students tackle the tricky 'teen' numbers from 11 to 20. This lesson introduces ten-frames and the concept of 'ten and some more' to help students visualize and master larger quantities.

An introductory lesson on the number 13, focusing on counting, ten frames, and base-ten decomposition. Students will learn to recognize 13 as one ten and three ones.

A hands-on counting and number recognition lesson where students help hungry monsters find the right amount of snacks. Students practice matching numerals 1-20 to corresponding sets of objects using interactive cards and mats.

Students delve into the structure of the number 12, exploring it as one ten and two ones, and practice simple addition strategies to reach the sum of 12.

A foundational review of 2nd-grade Operations & Algebraic Thinking and Number & Operations in Base Ten standards.

A targeted small group lesson focusing on finding unknown numbers in addition and subtraction equations within 20. Students use the 'Part-Part-Whole' model to solve for unknowns in various positions.

A small group lesson for 1st grade students focused on solving comparison word problems involving length by finding unknown numbers in addition and subtraction equations. Students use manipulatives to visualize length differences and translate them into algebraic thinking.

A comprehensive lesson on adding and subtracting integers using visual models like number lines and integer chips. Designed with modifications for accessibility, including step-by-step anchors and real-world applications.

A comprehensive review of adding and subtracting integers and calculating averages using numbers between -20 and 20, set in a polar exploration theme.

A lesson focused on solving one- and two-step addition and subtraction word problems within 100, featuring a detective-themed 'Math Mission' to engage students.

A comprehensive lesson on 2-digit addition with regrouping and subtraction with borrowing, using a construction-themed approach to visualize building and breaking tens.