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Addition and subtraction
Relate addition and subtraction
Addition within 20
Subtraction within 20
Equal sign
Missing number within 20
Word problems within 20
Word problems with "more" and "fewer"
Adding 1s and 10s
Intro to addition with 2-digit numbers
Math
1st grade math
Addition and...
Addition wit...
Master addition within 20 by developing skills in summing numbers efficiently, strengthening number sense, and preparing for more complex math problems.
200+ videos and assessments
Standards aligned
Vetted by experts
VIDEOS
Adding 7 + 6
Khan Academy
6th - 10th Grade
10 Qs
Adding 8 + 7
Adding 5 + 3 + 6
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