Series | List of terms | Information
This grade level has a range of 145 different terms (or their synonyms) out of a list of 1,000 terms used to review elementary and secondary school student mathematics textbooks. Refer to list of terms above.
The average student textbook contains 47 different terms (or their synonyms).
If you develop materials check their grade level readability. Most word processors under their spell checker have an option that will do this. In the English language the Flesch–Kincaid readability test is frequently used.
Why curriculum designing parameters? Developers of materials tend sometimes to forget that learners have many other subjects that also require a learner's time.