Grade 4 Math Units

Discover Grade 4 Math unit plans with standards-aligned lessons that build fraction understanding, multi-digit operations, and real-world problem-solving skills.

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Grade 4 Math Units

Unit Plan 27 (Grade 4 Math): Line Plots with Fractional Data

Make line plots with fractional units (½, ¼, ⅛) and solve plot-based problems using fraction addition, subtraction, and fraction-by-whole multiplication with accurate units and justification.

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Grade 4 Math Units

Unit Plan 26 (Grade 4 Math): Compare Decimals—Place-Value Reasoning

Compare decimals to hundredths using place-value reasoning; record with >, <, =; justify using models/number lines and the same-whole idea.

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Grade 4 Math Units

Unit Plan 25 (Grade 4 Math): Tenths and Hundredths—Making Equivalents

Rename tenths as hundredths (e.g., 3/10 = 30/100) to add tenths + hundredths accurately; justify with 10×10 grids/number lines while keeping the same whole.

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Grade 4 Math Units

Unit Plan 24 (Grade 4 Math): Decimals to Hundredths—Notation & Models

Express fractions with denominators 10 and 100 as decimals; model to hundredths on grids/number lines; explain equivalence (0.3 = 0.30 = 30/100) while maintaining a consistent whole.

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Grade 4 Math Units

Unit Plan 23 (Grade 4 Math): Multiply Fractions by Whole Numbers

Multiply fractions by whole numbers using models and equations; explain a/b × n = (n × a)/b; convert improper↔mixed; solve word problems with units and reasonableness checks.

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Grade 4 Math Units

Unit Plan 22 (Grade 4 Math): Add/Subtract Like Denominators

Add & subtract fractions/mixed numbers with like denominators; solve word problems using models, equations, regrouping, and units with clear reasoning and checks for reasonableness.

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Grade 4 Math Units

Unit Plan 21 (Grade 4 Math): Fractions as Sums—Decompose & Compose

Understand a/b as the sum of unit fractions 1/b; decompose and compose fractions and mixed numbers in multiple ways using visual models and equations to justify equivalence.

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Grade 4 Math Units

Unit Plan 20 (Grade 4 Math): Compare Fractions—Benchmarks & Strategies

Compare fractions with unlike numerators/denominators using benchmarks (0, 1/2, 1), common denominators, or common numerators; justify with models and record results using > < =.

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Grade 4 Math Units

Unit Plan 19 (Grade 4 Math): Fraction Equivalence—Why It Works

Explain and generate equivalent fractions using visual models and number lines, apply scale factors to numerator and denominator, and justify equivalence with same-whole reasoning and benchmarks.

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Grade 4 Math Units

Unit Plan 18 (Grade 4 Math): Mixed Operations—Reasonableness & Representation

Solve multi-step problems using all four operations; model with diagrams and equations; estimate and check answers for reasonableness while interpreting units and remainders in context.

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Grade 4 Math Units

Unit Plan 17 (Grade 4 Math): Division Fluency & Interpreting Remainders

Refine division strategies using partial quotients and area/array models, estimate to check quotients, and interpret remainders based on context to ensure clear, reasonable solutions.

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Grade 4 Math Units

Unit Plan 16 (Grade 4 Math): Angle Addition & Unknown Angles

Use angle additivity and benchmarks (90°/180°) to write equations that model diagrams, find unknown angles, and justify solutions with labeled degrees and clear reasoning.

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Grade 4 Math Units

Unit Plan 15 (Grade 4 Math): Measuring Angles—Protractors in Action

Measure and sketch angles in whole-number degrees using a protractor, connect angles to rotation, and use right/straight benchmarks to estimate and justify accuracy.

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Grade 4 Math Units

Unit Plan 14 (Grade 4 Math): Lines, Rays, Angles, and Parallel/Perpendicular

Draw and classify points, lines, segments, rays, and angles; identify right, acute, and obtuse angles; and mark parallel and perpendicular lines using clear labels and precise geometric notation.

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Grade 4 Math Units

Unit Plan 13 (Grade 4 Math): Patterns & Rules—Features Beyond the Rule

Generate and analyze number and shape patterns using one- and two-step rules; build input–output tables and describe hidden features such as odd/even, multiples, or alternating growth.

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Grade 4 Math Units

Unit Plan 12 (Grade 4 Math): Perimeter & Area—Rectangles in the Real World

Apply area and perimeter formulas for rectangles to solve real-world design and tiling problems, using models and correct units to justify solutions and check reasonableness.

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Grade 4 Math Units

Unit Plan 11 (Grade 4 Math): Measurement Word Problems—Units Matter

Solve multi-step measurement word problems—time, volume, mass, and money—using four operations, diagrams, tables, equations with unknowns, and estimation to ensure units and answers are reasonable.

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Grade 4 Math Units

Unit Plan 10 (Grade 4 Math): Measurement Within Systems—Conversion Tables

Convert larger to smaller units within a measurement system using conversion factors, two-column tables, and unit T-charts; solve real-world problems with precise units and reasonableness checks.

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Grade 4 Math Units

Unit Plan 9 (Grade 4 Math): Division Concepts—Quotients & Remainders

Divide up to 4-digit by 1-digit using area/array models and partial quotients; estimate to check reasonableness and interpret remainders based on context and units.

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Grade 4 Math Units

Unit Plan 8 (Grade 4 Math): Multi-Step Problems—Choose a Method

Solve multi-step word problems using addition, subtraction, and multiplication; write equations with unknowns, choose efficient strategies, and use estimation and units to check reasonableness.

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Grade 4 Math Units

Unit Plan 7 (Grade 4 Math): Multiplication Strategies—From Arrays to Algorithms

Multiply up to 4-digit by 1-digit and 2-digit by 2-digit using place-value strategies, area models, and partial products, then connect to the standard algorithm with estimation checks for reasonableness.

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Grade 4 Math Units

Unit Plan 6 (Grade 4 Math): Factors, Multiples, Prime/Composite

Find factor pairs and multiples for numbers 1–100, and determine whether each is prime or composite using arrays, factor rainbows, and divisibility reasoning.

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Grade 4 Math Units

Unit Plan 5 (Grade 4 Math): Multiplication as Comparison

Interpret multiplication as “times as many,” distinguish multiplicative from additive situations, and solve comparison word problems using tape diagrams, equations with unknowns, and clear reasoning.

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Grade 4 Math Units

Unit Plan 4 (Grade 4 Math): Add/Subtract Multi-Digit—Fluency & Strategy

Use models and the standard algorithm to add and subtract multi-digit numbers, explain regrouping with place-value reasoning, and verify answers with estimation and reasonableness checks.

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Grade 4 Math Units

Unit Plan 3 (Grade 4 Math): Compare & Round—Any Place

Compare multi-digit numbers and round to any place using place-value reasoning, number lines, benchmarks, and midpoints to make accurate, context-based math decisions.