A simple overview of adverbs--the words that describe actions--including their uses in sentences, their degrees of comparison, and how to spot different and irregular forms.
A simple overview of adjectives--the words that describe nouns--including their uses in sentences, their common and proper types, and how to spot articles and different forms.
A simple overview of nouns--the words that name things--including their uses in sentences, their common and proper types, and how to spot singular and plural forms.
A simple overview of verbs--the words that tell what subjects do--including their uses in sentences, their tenses and person, and how to match them with singular and plural nouns.
Introduction to triangles in one to three dimensions
Introduction to lines, vectors, tangents, curves
Introduction to spheres, globes, orbs
