All Math Units

Unlock the complete collection of K–12 math units featuring engaging, standards-aligned lessons that build problem-solving, fluency, and real-world mathematical understanding.

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Grade 1 Math Units

Unit Plan 8 (Grade 1 Math): Compare Two-Digit Numbers

Compare Grade 1 two-digit numbers by tens and ones; record with >, =, <; and justify reasoning using models or number lines for clear place-value understanding.

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Grade 1 Math Units

Unit Plan 7 (Grade 1 Math): Tens & Ones—Place Value Basics

Build Grade 1 place-value understanding by bundling 10 ones into 1 ten, modeling two-digit numbers as tens and ones, and composing/decomposing to keep track of value.

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Grade 1 Math Units

Unit Plan 6 (Grade 1 Math): Count to 120 & Write Numbers

Build Grade 1 fluency to 120 by counting on and skip-counting by 10s from any number; read and write numerals with precision using tens/ones structure and 120 charts.

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Grade 1 Math Units

Unit Plan 5 (Grade 1 Math): True/False Equations & Unknowns

Determine true/false equations and find unknowns within 20 in Grade 1 using models, make-10, and count-on/back strategies to reason about “= as the same value as.”

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Grade 1 Math Units

Unit Plan 4 (Grade 1 Math): Compare & Model Problems to 20

Solve Grade 1 word problems to 20 using models and equations, understand the equal sign, find unknowns, and compare quantities with >, <, and = for clear mathematical reasoning.

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Grade 1 Math Units

Unit Plan 3 (Grade 1 Math): Facts within 10—Strategies & Games

Boost Grade 1 fluency within 10 using doubles, near doubles, make-10, and count-on/count-back strategies, supported by models, games, self-checks, and clear reasoning.

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Grade 1 Math Units

Unit Plan 2 (Grade 1 Math): Add & Subtract within 10

Model and solve Grade 1 story problems within 10 using pictures, tools, and equations; build efficient strategies like count on/back and doubles, explain reasoning, and self-check for accuracy.

Grade 1 Math Units

Unit Plan 1 (Grade 1 Math): Math Routines & Problem Solving

Build math talk, counting routines, and problem-solving perseverance in Grade 1 with story problems, number-sense tools, self-checks, and error analysis for stronger reasoning.

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Grade 2 Math Units

Unit Plan 36 (Grade 2 Math): Cumulative Synthesis & Exhibition

Demonstrate Grade 2 mastery with multi-step, real-world math tasks that blend OA, NBT, MD, and G; students model, label units, and defend strategies with clear evidence.

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Grade 2 Math Units

Unit Plan 35 (Grade 2 Math): Comprehensive Review—OA, NBT, MD, G

Spiral review of Grade 2 math—OA, NBT, MD, and G—using mixed tasks, strategy modeling, precise representations, and student checklists for reflection and goal-setting.

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Grade 2 Math Units

Unit Plan 34 (Grade 2 Math): Geometry Deep Dive—Attributes, Drawing, and Naming

Draw and classify triangles and quadrilaterals using precise attributes (sides, vertices, closed/straight lines), and justify shape decisions with clear mathematical language.

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Grade 2 Math Units

Unit Plan 33 (Grade 2 Math): Arrays & Equal Shares—From Tiles to Stories

Represent contexts with arrays, rows, and columns; write totals as equal addends; and connect arrays to equal-part partitions to reason about shares and problem structure.

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Grade 2 Math Units

Unit Plan 32 (Grade 2 Math): NBT Problem Solving—100s, 10s, and 1s

Strengthen 2- and 3-digit addition/subtraction using place-value strategies, mental +10/+100 shifts, compensation, and open number lines; check solutions with estimation for reasonableness.

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Grade 2 Math Units

Unit Plan 31 (Grade 2 Math): Measurement Megamix—Lengths & Data

Measure to the nearest unit, add and subtract lengths on open number lines, create line plots, and write clear “how many more/less” comparisons to interpret class data.

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Grade 2 Math Units

Unit Plan 30 (Grade 2 Math): Time & Money Applications

Blend schedules, elapsed time on number lines, price lists, and coin combinations to solve real-world mini-projects, using clear models, labels, and estimation to check reasonableness.

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Grade 2 Math Units

Unit Plan 29 (Grade 2 Math): Mixed Operations—Unknowns in All Positions

Write equations with a letter for the unknown, solve within 100 using efficient strategies, and check answers with estimation to ensure solutions are reasonable.

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Grade 2 Math Units

Unit Plan 28 (Grade 2 Math): Fact Fluency Power-Up—Within 20

Build fluent addition/subtraction within 20 through strategy-based games and retrieval routines; students track growth and explain efficient strategy choices for accurate, flexible problem solving.

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Grade 2 Math Units

Unit Plan 27 (Grade 2 Math): Geometry Studio—Design with Attributes & Shares

Design flags and floor plans using specified shape attributes, equal shares, and arrays; justify choices with labeled drawings and clear mathematical explanations.

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Grade 2 Math Units

Unit Plan 26 (Grade 2 Math): Computation Routines—Within 100 & 1,000

Build mental math fluency with daily number strings that highlight place value, compensation, and regrouping; explain why strategies work and verify answers for reasonableness.

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Grade 2 Math Units

Unit Plan 25 (Grade 2 Math): Data Cycle—Measure, Record, Represent, Interpret

Investigate a class question, measure to the nearest whole unit, organize data, and create line plots or bar graphs with clear titles/labels/scales to make claims supported by evidence.

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Grade 2 Math Units

Unit Plan 24 (Grade 2 Math): Place-Value Reasoning—Compare & Explain

Compare three-digit numbers using hundreds–tens–ones reasoning, expanded form, and models; justify with >, <, = and clear place-value arguments.

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Grade 2 Math Units

Unit Plan 23 (Grade 2 Math): Word-Problem Workshop—All Structures

Solve one- and two-step word problems within 100 by identifying structure and unknowns; model with bar diagrams and number lines, write equations, justify strategies, and check for reasonableness.

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Grade 2 Math Units

Unit Plan 22 (Grade 2 Math): Number Lines—Adding & Subtracting Lengths

Use open number lines to model addition and subtraction within 100, showing jumps for length problems; choose helpful scales, explain strategies, and check answers for reasonableness.

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Grade 2 Math Units

Unit Plan 21 (Grade 2 Math): Equal Shares—Halves, Thirds, Fourths

Partition circles and rectangles into halves, thirds, and fourths; describe equal shares and the whole, and reason that more equal parts create smaller shares.

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Grade 2 Math Units

Unit Plan 20 (Grade 2 Math): Rectangle Arrays—Rows, Columns, and Counting Squares

Partition rectangles into equal rows and columns of unit squares; count totals with repeated addition, label rows/columns precisely, and connect arrays to equal-addend equations.