Khan Academy on a Stick
Arithmetic
So you're ready to have some arithmetic fun? You've come to the right spot! It's the first "official" math topic and chalked full of fun exercises and great videos which help you start your journey towards math mastery. We'll cover the big ones: addition, subtraction, multiplication, and division, of course. But we don't stop there, We'll get into negative numbers, absolute value, decimals, and fractions, too. Learning math should be fun, and we plan on having some with you. Ready to get started?

Addition and subtraction
(18 videos)
Adding and subtracting positive and negative whole numbers. Starts with 1+1=2 and covers carrying, borrowing, and word problems.

Multiplication and division
(42 videos)
Multiplying and dividing positive and negative whole numbers, understanding place value, and rounding numbers.

Negative numbers and absolute value
(22 videos)
Extending our understanding of numbers below 0. Thinking about "absolute" distance from 0.

Decimals
(80 videos)
Understanding decimals conceptually, using operations with decimals, rounding and estimating with decimals, and converting decimals.

Fractions
(97 videos)
Understanding fractions conceptually, using operations with fractions, and converting fractions.
 Telling time (2 videos)