Acerca de

Lesson 1: words with the sound of K, kw, and n

Lesson 2: hard and soft c and g; dge

Lesson 3: words with the sound of f

Lesson 4: words with the sound of s, z, and zh

Lesson 5: words with the sound of sh

Lesson 7: words with sc

Lesson 8: words with gn, wr, and tch

Lesson 9: silent consonants

Lesson 10: words with ear, are, and air

Lesson 11: words with the sound of long e

Lesson 13: words with the sound of long o

Lesson 14: vowel digraphs ei and ie and vowel pair ei

Lesson 15: vowel digraphs au and aw

Lesson 16: words with oo, ew, ue, and ui

Lesson 17: words with ai, ay, oi, and oy

Lesson 19: words with diphthongs ou and ow

Lesson 20: prefixes ir, in, il, and im

Lesson 21: prefixes de, pre, pro, con, com, and mis

Lesson 22: prefixes em, en, fore, post, and over

Lesson 23: prefixes anti, counter, super, sub, ultra, trans, and semi

Lesson 25: prefixes uni, mono, bi, tri, and mid

Lesson 26: suffixes or, er, ist, logy, and ology

Lesson 27: suffixes er, est, andness

Lesson 28: suffixes, able, ible, ful, hood, ship, ment

Lesson 29: suffixes ion, ation, ition, ance, ence, ive, and ity

Lesson 31: doubling final consonants; adding suffixes and endings to words ending in e

Lesson 32: adding suffixes and endings to words ending in y

Lesson 33: plurals

Lesson 34: homonyms and challenging words

Lesson 35: abbreviations