Addition and subtraction within 1000
Strategies for adding 2- and 3-digit numbers
Master efficient techniques to add 2- and 3-digit numbers, strengthening mental math skills and understanding place value to improve overall addition proficiency within 1000.
200+ videos and assessments
Standards aligned
Vetted by experts
VIDEOS
Breaking apart 3-digit addition problems
Khan Academy
•1th - 5th Grade
•10 Qs
Solving 3-digit addition in your head
Khan Academy
•1th - 5th Grade
•10 Qs
Addition using groups of 10 and 100
Khan Academy
•4th - 8th Grade
•10 Qs
Adding and subtracting on number line
Khan Academy
•3th - 5th Grade
•10 Qs
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