Common Core Explorer

7.NS.1.c

These apps, games, and websites will help your students understand subtraction of rational numbers as adding the additive inverse, p – q = p + (–q). Show that the distance between two rational numbers on the number line is the absolute value of their difference, and apply this principle in real-world contexts.
Website
ALEKS
Strong adaptive learning makes traditional math curriculum more useful
GRADES
3 - 12
PRICE
Free to try, Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Website
Khan Academy
Flexible learning environment offers a personalized journey to mastery
GRADES
2 - 12
PRICE
Free
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Website
Mangahigh
Awesome, adaptive math games with a killer teacher dashboard
GRADES
2 - 12
PRICE
Free to try
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Website
Mathspace
Personalized, step-by-step math coaching challenges and adapts
GRADES
6 - 12
PRICE
Free to try, Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Website
Motion Math
Playful collection of games reinforces a diversity of skills
GRADES
K - 7
PRICE
Free to try, Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
NOT YET RATED
Website
Redbird Mathematics
Excellent adaptive math for flipped or blended classrooms
GRADES
K - 7
PRICE
Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Game
SimCity
Exciting city simulator great for online play
GRADES
6 - 12
PRICE
Paid
PLATFORM
Mac, Windows
COMMON SENSE RATING
TEACHER RATING
Website
Tailor-ED
Create differentiated math lessons and assessments in minutes
GRADES
K - 8
PRICE
Free
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Website
Wowzers
Game-based, adaptive math site engages kids with extrinsic rewards
GRADES
K - 8
PRICE
Free to try, Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Website
Zearn
Innovative combo of live instruction and adaptive online math lessons
GRADES
K - 8
PRICE
Free, Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Website
Ardor Education
Solid adaptive math practice offers data around standards and skills
GRADES
6 - 10
PRICE
Free
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
NOT YET RATED
Website
Bettermarks
Slick math practice with intuitive tools and plenty of examples
GRADES
4 - 10
PRICE
Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
NOT YET RATED
Website
Brainingcamp
Competent test prep with minimal teacher dashboard gets the job done
GRADES
6 - 8
PRICE
Free to try
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Website
ClassCalc
Free all-in-one calculator makes the most out of BYOD classrooms
GRADES
4 - 12
PRICE
Free, Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
NOT YET RATED
App
Common Core Quest - Math and ELA Quizzes
Comprehensive CCSS-aligned resource for instruction and assessment
GRADES
K - 12
PRICE
Free
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Game
DimensionU
ELA and math games alternate between play and practice
GRADES
2 - 10
PRICE
Free to try
PLATFORM
Mac, Windows
COMMON SENSE RATING
TEACHER RATING
Website
Get More Math
Adaptive program employs mixed review for improved skill retention
GRADES
4 - 11
PRICE
Free to try, Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Website
Illustrative Mathematics
Comprehensive 6–12 curriculum highlighting math discourse
GRADES
6 - 12
PRICE
Free
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
NOT YET RATED
App
IXL - Math and English
Standards-aligned worksheets help kids develop wide-ranging skills
GRADES
Pre-K - 12
PRICE
Free to try, Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
App
Math Blaster HyperBlast
Arcade-style fun with just enough math learning on top
GRADES
2 - 8
PRICE
Free to try, Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
App
Math Pack Flash Cards
Quality but dry quizzes enhance speed and efficiency
GRADES
4 - 8
PRICE
Free, Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
App
MathBoard
Drill math skills with basic, customizable chalkboard-style app
GRADES
K - 8
PRICE
Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Website
PBS LearningMedia
Treasure trove of lesson resources will benefit from adaptation
GRADES
Pre-K - 12
PRICE
Free
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Website
Prodigy
Adaptive math practice wrapped in role-playing adventure
GRADES
1 - 8
PRICE
Free
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Website
Mathwords
Overly formal math definitions difficult to comprehend for most kids
GRADES
7 - 12
PRICE
Free
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
Website
Opus
Basic math problem bank is a bit problematic; more attention to detail would help
GRADES
4 - 8
PRICE
Free
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
NOT YET RATED
Website
STEM Builder
Usable STEM content and practice diminished by dated interface
GRADES
3 - 12
PRICE
Free to try, Paid
PLATFORM
n/a
COMMON SENSE RATING
TEACHER RATING
NOT YET RATED
Website
Khan Academy
7th grade lessons best as a preview, before teaching concepts in class
GRADES
7
PRICE
Free
PLATFORM
n/a
COMMON SENSE RATING
NOT YET RATED
TEACHER RATING
Website
LearnZillion
Video lessons and quizzes support 7th grade Common Core skills
GRADES
6 - 8
PRICE
Free
PLATFORM
n/a
COMMON SENSE RATING
NOT YET RATED
TEACHER RATING
NOT YET RATED
Website
PBS LearningMedia
Quirky videos connect math, the real world despite limited selection
GRADES
6 - 7
PRICE
Free
PLATFORM
n/a
COMMON SENSE RATING
NOT YET RATED
TEACHER RATING
NOT YET RATED