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  • Mini-Courses ▼
    • ASL for Kids – ABC Signs
    • MathLibs™ – Free for Over 2 Decades!
    • Art for Kids – Elements of Design
    • Art for Kids – Principles of Design
    • Rhetoric for Kids
    • Fitness Songs for Kids + Positive Music
  • Grab+Go Activities ▼
    • View All Lessons + Activities
    • Taking it Offline
    • Sign Language for Kids
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  • MathLibs™
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MathLibs.org® – Free for Over 2 Decades!


👇 👇 Click to See Newest Posts👇 👇 

 

Mathlibs.org® has been helping students have fun and get over their fears of math for almost a quarter of a century now! We’re working on adding more non-Flash Mathlibs™, and you can see the first, colorful and interactive 👉question set here👈.

 

We’ve also created some simple 5 question Choose Your Own Multiplication Tables Adventures. To try one, click here:
https://kidcourses.com/official-math-libs/

Also…….

If you have a PC, you can purchase the .exe version of Mathlibs.org® for $9.99 here. You can also purchase simple PDFs of Mathlibs from our store.  It breaks my heart that Flash is gone. I hope to be able to load more free math games onto this site in the future. Please visit the shop for downloadable educational course materials in the field of mathematics for students from elementary through junior high, and downloadable printable material in the field of mathematics for grades 0-8.

~ Jessika Jake

We are so sorry!! After more than 2 decades of offering Mathlibs™ for free, Adobe discontinued the Flash Player, so now it’s not possible to view these lessons and games (listed below) on the web any more. Please select an option from above! We are trying to restore the in-page Flash experience (hence we did not delete the games).

We are working to bring back (the equivalent) of all the loads and loads of free content. Until we do, a lot of what you see below will lead you no where. 🙁 🙁

Make your own silly math questions! Have fun while reviewing 4th Grade Math for the state tests. (Flash® is required.) You can also view MathLibs™ FULL SCREEN (ad free) in a new window and try other fun math content below!

It’s easy to explore:

  • Click Math Libs above to choose between Multiplication MathLibs™ (Grade 3) and Grade 4 MathLibs™ sets. You can then generate your own silly math questions!
  • Click Lessons above to click through fun animated Grade 4 math lessons in: Numbers, Patterns, Measurement, Geometry, Graphing, and Probability. If you prefer to hear audio with the lessons, click here (also ad free).
math-libs-recommended-by-pbs-nctm

More fun math on KidCourses.com:
*Sorry, most of these will fail because Flash was discontinued in 2021.

Colorful PDF of the Grade 4 Lesson 1 concepts (whole numbers, fractions, decimals, rounding, expanded notation, multiples, factors, what it means to be prime, the Associative and Commutative Properties, how we compare numbers and long division)

Rapid Fire Quiz, Lesson 1 (whole numbers, fractions, decimals, rounding, expanded notation, multiples, factors, what it means to be prime, the Associative and Commutative Properties, how we compare numbers and long division)

Rapid Fire Quiz, Lesson 2 (using symbols instead of numbers, patterns, ratios, and percents)

Rapid Fire Quiz, Lesson 3 (length, perimeter, area, volume, time, temperature, and estimation strategies)

Rapid Fire Quiz, Lesson 4 (degrees, types of angles, parallel and perpendicular lines, shapes and solids, congruent figures, symmetry, and transformations)

Rapid Fire Quiz, Lesson 5 (the coordinate grid, x-axis, y-axis, how to plot and find points, and how to use a grid to measure distances)

Rapid Fire Quiz, Lesson 6 (charts, graphs, random sampling, probability, combinations, minimums, maximums, range, mean, median, and mode)

5 Questions (with answer explanations) on Lesson 1, Numeration & Computation

5 Questions (with answer explanations) on Lesson 2, Patterns, Relationships, and Algebraic Thinking

5 Questions (with answer explanations) on Lesson 3, Measurement

5 Questions (with answer explanations) on Lesson 4, Geometry

5 Questions (with answer explanations) on Lesson 5, Coordinate Geometry

5 Questions (with answer explanations) on Lesson 6, Probability and Statistics

Try our Grade 4 Math Review with audio

In addition to playing our free Math Libs™, check out more fun math from kidCourses:

Fun Math

5 Resources for Right Triangles and Trigonometry

Without a doubt, my FAVORITE unit in Geometry is Right Triangles & Trigonometry! (My least favorite is Logic & Proof

Fun Math

In a Pinch? Try Ready-Made Maze Templates

Need an activity for a certain topic but can’t find exactly what you need?  Templates provide a way to easily

Coloring Sheets

Math Minute: Oliver Owl Loves Hundredths (Grid of 100)

Today’s Math Minute Video features Oliver Owl. He likes fractions, but he wants to turn all the fractions that he

Fun Math

Operations with Scientific Notation and “LARS”

Operations with scientific notation appears to be a simple topic on the surface, however, students get easily confused when manipulating the

Fun Math

Substitution Method for Systems of Equations: aka “the blob”

I love teaching systems of equations, like seriously LOVE it!  I always teach it right after the linear equations unit,

Fun Math

Make Your Own Math Drills with “Find and Replace”

If you like arithmetic drills, here’s a way that you and your child can create a lot of different worksheets.

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