Addition Sums | Tips to avoid mistakes | Addition Facts | Addition sums for Grade 2,3,4

Addition Sums and Tips to avoid mistakes.
Solved, 15 problems from Addition Chapter.
Mentioned addition facts.
Discussed some tips to avoid common mistakes in addition
like while doing carry forward, finding missing numbers in addition,
dealing with ones,tens and hundreds.

Addition sumsTips to avoid mistakesAddition Facts