Chapter+4

4.1 http://www.khanacademy.org/math/arithmetic/decimals/v/decimal-place-value http://www.khanacademy.org/math/arithmetic/decimals/v/decimal-place-value-2

4.2 http://www.khanacademy.org/math/arithmetic/decimals/v/rounding-decimals http://www.khanacademy.org/math/arithmetic/decimals/v/comparing-decimals

4.3 http://www.khanacademy.org/math/arithmetic/decimals/v/converting-fractions-to-decimals-example http://www.khanacademy.org/math/arithmetic/decimals/v/converting-decimals-to-fractions-1--ex-3

4.4 http://www.khanacademy.org/math/arithmetic/decimals/v/adding-decimals http://www.khanacademy.org/math/arithmetic/decimals/v/subtracting-decimals

4.5 http://www.khanacademy.org/math/arithmetic/decimals/v/multiplying-decimals

4.6 http://www.khanacademy.org/math/arithmetic/multiplication-division/v/division-3--more-long-division-and-remainder-examples

4.7 http://www.khanacademy.org/math/arithmetic/decimals/v/dividing-a-decimal-by-a-power-of-10 http://www.khanacademy.org/math/arithmetic/decimals/v/dividing-decimals