Subject Matter: Reading
Grades: PreK to Early Elementary, ESL, ESOL, Learning English for nonnative speakers
Colorful Phonetic Learning
For a free program to learn how to read, www.starfall.com is pretty sophisticated, colorful and fun. This free online program only requires internet access, a computer, and a web browser.

Subject Matter: Science
Grades: Kindergarten through Fifth Grade

Well Designed Online Curriculum
Learning.com offers Aha!Science and Aha!Math.  For grades K-5, Aha!Science provides good science coverage on:

Earth and Space
Physical
Life

For many elementary teachers, science isn’t something they’ve been required to teach in classrooms.  Many states now require science testing in 5th grade, with teachers scrambling for science content.

Subject Matter: Problem-solving Activities
Grades: Kindergarten through 4th grade
PROBLEM SOLVING, MUSIC AND MORE
What’s more fun than filling out party invitations, playing dress up and watching magical, musical fireworks? Charlie Chimp’s Big Modeling Party offers kindergarten through fourth grade students a wide variety of simple problem-solving activities.

Subject Matter: Math, part of the Edmark House Series (includes math, reading, science and time placement)
Grades: Early learners to elementary school, Preschool, Special Education

EARLY LEARNERS AND SPECIAL NEEDS EDUCATION SOFTWARE
Teachers understand students do not learn on the same level, nor are they interested in the same material. This game provides early learning material with [...]