Khan Academy: Introduction to Powers of 10

Youngsters respond to 10 problems that require them to calculate the products of the powers of 10 and write numbers in exponent form.

Video tutorial examines patterns in powers of 10 or exponential form. [5:33]

Introduction to the coordinate plane and plotting points on the coordinate plane. Only quadrant 1 (positive numbers) is covered.

Learn how to divide decimals by the powers of 10 using this film. This is a great way to have your class either learn or review the division of decimals.

Sal uses estimation to introduce dividing by 2-digit numbers.

Now that we understand how to interpret an exponent and how the patterns in zeros are related to the exponent, we can solve more complicated problems!

Sal adds tenths, like 0.1+0.8 using visuals and place value.

Sal adds tenths, like 0.1+0.8 using visuals and place value. [6:35]

Introduction to the concept of an 'axis of symmetry'

An introduction to how to multiply two fractions. [5:06]