# 4th Grade Online Math Videos

According to the Common Core Standards, in Grade 4, instructional time should focus on three critical areas: (1) developing understanding and fluency with multi-digit multiplication, and developing understanding of dividing to find quotients involving multi-digit dividends; (2) developing an understanding of fraction equivalence, addition and subtraction of fractions with like denominators, and multiplication of fractions by whole numbers; (3) understanding that geometric figures can be analyzed and classified based on their properties, such as having parallel sides, perpendicular sides, particular angle measures, and symmetry.

If you know a particular Common Core Domain that you'd like to practice, you can drill down to it here.

### All 4th Grade Online Math Videos

This is a listing of all our 4th Grade Online Math Videos. Newest videos are on top!

Screenshot Name / Description Flag? Rating
Multiplying Fractions with Whole Numbers: Recipes
Students learn that multiplication of a whole number and a fraction follow certain rules.
Subtracting Fractions
Introduction to subtracting fractions (6:09)
Multiplying Fractions
Introduction to multiplying fractions (5:33)
What percent is it?
Determine the percent given the part and the whole (5:22)
Khan - Acute Right and Obtuse Angles
Learn about angle types with Sal (5:32)
Khan - Application problems involving units of weight
Convert weight to tons with Sal in this practice problem (7:08)
Khan - Angles (part 2)
More on complementary and supplementary angles with Sal (9:04)
Khan - Adding fractions with different signs
Use the number line to add fractions with different signs (6:22)
Khan - Converting fractions to decimals
Work through a problem converting fractions to decimals (9:23)
Khan - Finding Factors of a Number
Find factor pairs working with Sal (9:53)
Khan - Multiplication 10, 11, 12 Times Tables
Walk through the 10, 11, and 12 times tables with Sal (12:11)
Khan - Fraction Equivalence
Determine if the two fractions are equivalent (2:30)
Khan - Fraction Equivalence 2
Determine if one fraction is >, <, or = to the another (7:08)
Khan - Intro to Fraction Equivalence
Walk through a visual depiction of fraction equivalence (5:50)
Khan - Fractions in Lowest Terms
Work with Sal to reduce a fraction to lowest terms (5:42)