Khan Academy Static

Math_patterns

Let's now use our mathematical toolkit to discover and make use of patterns! This is a seriously fun tutorial.

Prime_and_composite_numbers

Prime numbers have been studied by mathematicians and mystics for ages (seriously). They are both basic and mysterious. The more you explore them, the more you will realize that the universe is a fascinating place. This tutorial will introduce you to the magical world of prime numbers as well as their composite number brethren. Common Core Standard: 4.OA.B.4

Factors_and_multiples

In this tutorial, we'll begin to think about the numbers that "make up" the number. This will be useful throughout our study of math. Whether we are adding fractions, exploring mystical number patterns, or breaking computer codes, factoring numbers are key! Let's go, kids! Common Core Standard: 4.OA.B.4

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