skip to main content

Ratios and Rates

14 minutes 53 seconds

Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.

Browse Full-length Non-member Titles

A ratio is the relationship of two numbers and can be expressed as a fraction or a decimal. A rate is a special ratio. It is a comparison of measurements that have different units. Students learn how to solve problems involving ratios and rates.

Media Details

Runtime: 14 minutes 53 seconds

Request a DVD
Members Only - Apply Now
Black and white still frame of man in glasses looking down at phone with lips parted in mid-speech. Caption. From there, you'll know whether he has enough money.
Episode 1
31 minutes 3 seconds
Grade Level: 6 - 8
Man in tan suit and glasses sits with arm out, hand resting on staff. His mouth is open as if speaking fervently. Caption. In algebra, we don't dilly dally or mess about.
Episode 2
22 minutes 10 seconds
Grade Level: 6 - 8
Digital illustration of a scale weighted with small goats in pink sweaters on both sides. Caption. Take away 4 goats, the scale evens out again.
Episode 3
28 minutes 52 seconds
Grade Level: 6 - 8
Cartoon of man with cash in hand. Sign reads, "On sale now! All in one computer." Title bar to side reads, "50 dollars in account. Job, 8 dollars an hour." Caption. It pays 8 bucks an hour.
Episode 4
39 minutes 49 seconds
Grade Level: 6 - 8
Man in tan suit and glasses grasps head and furrows brow with lips parted mid-speech. Caption. What are these symbols trying to tell us?
Episode 5
26 minutes 32 seconds
Grade Level: 6 - 8
Inset of woman smiling with mouth open mid-speech. Text overlay reads, "Polynomial. An algebraic expression that contains 2 or more monomials. 2X plus 3. 4X squared minus 3X. 5X sup 4 plus X cubed minus 14." Caption. Right, all polynomials.
Episode 6
40 minutes 47 seconds
Grade Level: 6 - 8
Canted closeup of woman with mouth open in mid-speech standing in front of a tree trunk. Caption. Remember a quadratic equation has a degree of 2.
Episode 7
29 minutes 57 seconds
Grade Level: 6 - 8
Closeup of a White teenage girl's face. Her right hand holds a marker. Caption. Let's use different letters. Oops, sorry, I mean variables.
19 minutes 1 seconds
Grade Level: 7 - 9
White teenage girl sitting cross legged on a blanket pointing to a formula written on a small whiteboard. Caption. So this is the formula for how many slices altogether.
13 minutes 14 seconds
Grade Level: 7 - 9
Title text reads, “Applying Area to the Real World,” against colorful geometric shapes and lines.
13 minutes 5 seconds
Grade Level: 4 - 8