Addition and subtraction
Explore adding two-digit numbers to develop number sense, enhance mental math skills, and build foundational arithmetic understanding through engaging activities and relatable contexts.
200+ videos and assessments
Standards aligned
Vetted by experts
VIDEOS
Adding 2-digit numbers without regrouping
Khan Academy
•1th - 5th Grade
•10 Qs
Adding 2-digit numbers without regrouping 1
Khan Academy
•6th - 10th Grade
•8 Qs
Regrouping to add 1-digit number
Khan Academy
•6th - 10th Grade
•10 Qs
Breaking apart 2-digit addition problems
Khan Academy
•6th - 10th Grade
•10 Qs
Adding by making a group of 10
Khan Academy
•4th - 8th Grade
•10 Qs