Lawrence Hall of Science
The Math Page: An Approach to Calculus: Continuous Versus Discrete
Here is a site that clearly and thoroughly explains the the notion that calculus is the study of continuity. This page is mostly discussion of the difference between a continuous quantity and a discrete quantity. Point this site out to...
Grammarly
Grammarly Blog: Verb Tenses: Grammar Rules
This page explains the three major verb tenses: past, present, and future with examples. It also offers links to information about each of these as well as the perfect, continuous, and perfect continuous of each.
Other
Tidewater Community College: Writing Center: Verb Tenses
Writing center guide to verb tenses that dicusses present, present continuous, past, past continuous, future, future continuous, present perfect, and past perfect.
Texas Education Agency
Texas Gateway: Domain and Range: Contextual Situations
The student will be able to identify and determine reasonable values for the domain and range from any given contextual situation.
PBS
Pbs News Hour: Afghan War Takes Toll of Civilians
Read and learn about the toll that the war in Afghanistan has taken on the civilian population. (21 August 2009)
Khan Academy
Khan Academy: Progressive Verb Aspect
When something is ongoing, we say that it's in the 'progressive' or 'continuous' aspect. Test your knowledge of this grammatical aspect!
PBS
Pbs Teachers: Scientific American: Memory Tests
Explore scientific research saying that continued brain activity may delay or slow the loss of memory function. Investigate and practice different techniques to increase recall.
TES Global
Blendspace: Time Past Simple
This sixty-part learning module provides assorted references for verb tenses. This blendspace provides reproducible resources video lesson and practice exercises for past verb tenses.
CK-12 Foundation
Ck 12: Fourth Grade Science: Earth Science: Relative Ages of Rocks
[Free Registration/Login may be required to access all resource tools.] Looks at how stratigraphy can be used to determine the relative ages of rocks, how unconformities occur, ways to match rock layers in different areas, and how...
English Club
English Club: Learn English: Grammar: Verbs: Future Time
An explanation of future time with links to addition information on present continuous, present simple, future time, and more.
Mocomi & Anibrain Digital Technologies
Mocomi: Past Tense and Its Types
Defines past tense and provides examples of the different types.