CK-12 Foundation
Ck 12: Statistics: Levels of Measurement
[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to the different levels of measurement.
Study Languages
Study Spanish: Ordinal Numbers
This online lesson is on the use of the ordinal numbers 1st through 10th with an explanation of how they change to match the nouns they modify. A quiz follows the lesson to test the student's comprehension of ordinal numbers.
Toy Theater
Toy Theater: Ordinal Numbers
After watching six cars race across the screen, the student must choose which car finished first, which car was second, etc.