iknowit.com 的前十大競爭對手

mathgames.com

math games online that practice math skills using fun interactive content. over 1000 free skill testing apps and games - tablet and chromebook friendly.

k5learning.com

Free worksheets for kindergarten to grade 5 kids. Over 10,000 math, reading, grammar and writing, vocabulary, spelling and cursive writing worksheets. Answer sheets included; no login required.

ixl.com

IXL is the world's most popular subscription-based learning site for K–12. Used by over 17 million students, IXL provides personalized learning in more than 17,000 topics, covering math, language arts, science, social studies, and Spanish. Interactive questions, awards, and certificates keep kids motivated as they master skills.

mathplayground.com

300+ free math games to build fluency and problem solving. Kid-safe, classroom-ready, no sign-in.

abcya.com

Educational games for grades PreK through 6 that will keep kids engaged and having fun. Topics include math, reading, typing, just-for-fun logic games… and more!

mrnussbaum.com

mrnussbaum.com provides thousands of free interactive and printable educational games and activities for students in grades k-8. serving millions every year since 2003.

mathmammoth.com

Help your 3rd-6th grade student to learn to solve word problems!

sheppardsoftware.com

hundreds of fun educational games and activities for kids to play online. topics include math, geography, animals, and more.

superteacherworksheets.com

printable worksheets & activities for teachers, parents, and homeschool families. math, reading, writing, science, social studies, phonics, & spelling.

turtlediary.com

Roman numerals are not often taught in classrooms anymore, but they are still critical for kids to understand. Roman numerals are still used today and have many