Learn fourth grade math with Khan Academy, covering arithmetic, measurement, geometry, fractions, and more, aligned with Common Core standards.

4th grade math 14 units · 154 skills Unit 1 Place value Unit 2 Addition, subtraction, and estimation Unit 3 Multiply by 1-digit numbers

Welcome to Texas 4th grade math! In this course, you’ll deepen your understanding of place value up to 1,000,000 and strengthen your skills in multi-digit multiplication and long division.

Texas 4th grade math is brought to you with support from the ExxonMobil Foundation logo

4th grade math (Illustrative Math-aligned) Factors and multiples Fraction equivalence and comparison Extending operations to fractions From hundredths to hundred-thousands

Jul 31, 2025 · Explore Khan Academy’s free, TEKS-aligned 3rd and 4th-grade math courses designed to support conceptual understanding, save teachers prep time, and help every …

Compare multi-digit numbers written in different forms Get 3 of 4 questions to level up!

Learn fourth grade math—arithmetic, measurement, geometry, fractions, and more! This course is aligned with New York State Next Generation standards.

But in math-- that's the neat thing about math-- we can think about these abstract notions. And so the mathematical purest geometric sense of a line is this straight thing that goes on forever.

Compare multi-digit numbers written in different forms Get 3 of 4 questions to level up!