A ratio is how many times one number contains another. Xcelerate Math examples https://xceleratemath.com/number/ratio

00:00 What are equivalent ratios?
00:19 Example 1 - Teachers to students
01:03 Example 2 - Children to teachers
01:23 Example 3 - Skipping rope
02:12 Example 4 - Dollars to cents
02:45 Example 5 - Pizza fractions
03:13 Example 6 - Map scale
04:13 Example 7 - Cooking recipe
04:54 Example 8 - Vaccine