Free 4th Grade Math Lesson Plans for Teachers

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Multi-Digit Operations
Multi-Digit Operations

Multi-Digit Operations

Practice multi-digit operations with this free, editable 4th grade lesson. Aligned to the Common Core (4.NBT), covering objectives such as: fluently add and subtract multi-digit whole numbers using the standard algorithm. Created with Chalkie.ai and fully customizable for your class.

Fractions and Decimals
Fractions and Decimals

Fractions and Decimals

This 4th grade fractions and decimals lesson is ready to present in class. Aligned to the Common Core (4.NF), covering objectives such as: explain why a fraction a/b is equivalent to a fraction (n x a)/(n x b). Made on Chalkie.ai. Edit, download, and present for free.

Measurement and Data
Measurement and Data

Measurement and Data

Help your 4th grade students master measurement and data with this editable lesson. Aligned to the Common Core (4.MD), covering objectives such as: apply the area and perimeter formulas for rectangles in real world and mathematical problems. Sign up free to Chalkie.ai.

Geometry
Geometry

Geometry

A Common Core-aligned 4th grade lesson covering geometry (4.G), including objectives such as: draw and identify lines and angles, and classify shapes by properties of their lines and angles. Fully editable on Chalkie.ai. Sign up free to customize.

Factors and Multiples
Factors and Multiples

Factors and Multiples

Build confidence in factors and multiples with this editable 4th grade resource. Aligned to the Common Core (4.OA), covering objectives such as: find all factor pairs for a whole number in the range 1-100 and determine whether a given whole number is prime or composite. Built with Chalkie.ai.

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Fourth grade math asks students to go deeper into numbers they already know: multi-digit computation with the standard algorithm (4.NBT), fraction equivalence (4.NF), area and perimeter formulas (4.MD), lines, angles, and shape classification (4.G), and factor pairs, primes, and composites (4.OA). These 4th grade math lessons cover each Common Core domain with a full teaching sequence per topic.

The decks pair procedures with the reasoning behind them — why the standard algorithm works, why multiplying numerator and denominator by the same number keeps a fraction equivalent — so students build understanding alongside fluency. Worked examples and practice problems are ready to present, and each deck uses the domain language your pacing guide already speaks, so alignment takes no extra work.

Need different numbers, more scaffolding, or a harder challenge set? Open the lesson in Chalkie and edit any slide, or regenerate a section. All lessons are free to view, and the free plan covers editing — no credit card required.

What 4th Grade Math covers

  • Multi-Digit Operations

    Covers Common Core 4.NBT, fluently adding and subtracting multi-digit whole numbers using the standard algorithm.

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  • Fractions and Decimals

    Targets Common Core 4.NF, explaining why a fraction a/b is equivalent to a fraction (n x a)/(n x b) using visual fraction models.

    View lessons
  • Measurement and Data

    Aligned to Common Core 4.MD, students apply the area and perimeter formulas for rectangles in real-world and mathematical problems.

    View lessons
  • Geometry

    Covers Common Core 4.G, drawing and identifying lines and angles and classifying shapes by properties of their lines and angles.

    View lessons
  • Factors and Multiples

    Addresses Common Core 4.OA, finding all factor pairs for whole numbers in the range 1-100 and determining whether a number is prime or composite.

    View lessons

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