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Related Concept Videos

Algebraic Expressions01:26

Algebraic Expressions

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Algebraic expressions are essential in mathematics. They represent relationships through variables, constants, and operations. These expressions help describe patterns and solve problems in various mathematical fields. Understanding their components, classifications, and operations allows for efficient simplification and manipulation.Each algebraic expression consists of individual parts, including numbers and symbols, that work together to form meaningful mathematical statements. The numerical...
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Fundamental Theorem of Algebra01:30

Fundamental Theorem of Algebra

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The Fundamental Theorem of Algebra is central to the study of polynomial equations, asserting that every non-constant polynomial with complex coefficients has at least one complex zero. This means that a polynomial of degree n ≥ 1, written as:  with an ≠ 0, has at least one solution in the complex number system. Since the set of real numbers is a subset of complex numbers, this theorem applies equally to polynomials with real coefficients.Building on this result, the...
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Mathematical Induction01:29

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Mathematical induction is a structured method of proof used to confirm the truth of statements involving natural numbers. Consider the sum of the first n natural numbers:This formula describes a pattern that appears to hold true as more terms are added. To verify that it is valid for all natural numbers, mathematical induction proceeds in two essential steps. The first is the base case, where the formula is tested for the initial value, typically n = 1. Substituting into both sides confirms the...
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Solving Equations Graphically01:27

Solving Equations Graphically

402
Graphical methods provide an intuitive and visual means of solving equations by representing functions on the coordinate plane. These methods are especially helpful for estimating solutions, analyzing complex expressions, or understanding the behavior of functions.To solve an equation graphically, it must first be expressed in the form y = f(x). The solution to the original equation corresponds to the x-values where the graph intersects the x-axis, meaning where f(x) = 0.For example, the linear...
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Real Number Operations01:27

Real Number Operations

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The concept of real numbers includes all the values that can be represented on a continuous number line. The system began with basic counting values used for enumeration. It later expanded to include values that represent the absence of quantity and opposites of the counting values. When situations required expressing parts of a whole or dividing quantities evenly, values capable of representing such proportions were developed. When written using decimal notation, these values can end or repeat...
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Inequalities01:28

Inequalities

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Inequalities express mathematical relationships where two values are not equal and are compared using symbols such as <, >, ≤, or ≥. These expressions define a range of possible solutions rather than a single value. Interval notation provides a concise way to express these solution sets, especially when the variable spans a continuous range. An open interval, written as (a, b), excludes the endpoints, while a closed interval [a, b] includes them. There are also half-open...
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The Effectiveness of Khan Academy in Teaching Elementary Math.

Poonam A Patil1, Jessica F Juanico1

  • 1Department of Applied Behavioral Science, University of Kansas, Lawrence, KS 66045 USA.

Behavior Analysis in Practice
|January 12, 2026
PubMed
Summary

Khan Academy effectively teaches elementary math skills to individual students. Objective assessments showed all participants improved math abilities after using the platform, suggesting its potential for skill acquisition.

Keywords:
Elementary schoolKhan AcademyMathSkill acquisition

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Area of Science:

  • Educational Technology
  • Mathematics Education

Background:

  • Online educational platforms require systematic evaluation due to rapid growth.
  • Khan Academy is a popular global resource with limited individual-level effectiveness research.
  • Evaluating Khan Academy's impact on elementary math skills is crucial.

Purpose of the Study:

  • To assess the effectiveness of Khan Academy in teaching elementary mathematics.
  • To investigate Khan Academy's impact on individual skill acquisition.

Main Methods:

  • Employed objective methods to evaluate Khan Academy's effectiveness.
  • Utilized pre- and post-intervention worksheets to measure math skill acquisition.
  • Focused on three elementary-level participants.

Main Results:

  • Khan Academy demonstrated effectiveness for all three participants.
  • Participants showed measurable improvements in targeted math skills.
  • The platform facilitated learning in elementary mathematics.

Conclusions:

  • Khan Academy shows promise as an effective tool for elementary math skill acquisition.
  • Further research on individual-level impacts of online educational platforms is warranted.
  • Khan Academy may be a valuable resource for supplemental math education.