Today we will discuss adding two three-digit numbers. This simple addition involves without and with regrouping.
While adding two three-digit numbers without regrouping we just need to add ones to ones, tens to tens and hundreds to hundreds. This is shown in the worksheet below;
When we have to add two three-digit numbers with carrying forward or regrouping we have to be careful when the sum of two digits is ten or more. This strategy is explained in the worksheet below;
https://steemit.com/steemiteducation/@mathworksheets/3rd-grade-math-worksheets-on-estimating-numbers
https://steemit.com/steemiteducation/@mathworksheets/3rd-grade-math-comparing-and-ordering-numbers-1
https://steemit.com/steemiteducation/@mathworksheets/3rd-grade-math-comparing-numbers-worksheets
https://steemit.com/steemiteducation/@mathworksheets/3rd-grade-math-ordering-numbers-worksheets
https://steemit.com/steemiteducation/@mathworksheets/3rd-grade-math-rounding-numbers-to-nearest-ten
https://steemit.com/steemiteducation/@mathworksheets/3rd-grade-math-skip-counting-by-5s-worksheets
https://steemit.com/steemiteducation/@mathworksheets/3rd-grade-math-simple-addition-equations
https://steemit.com/steemiteducation/@mathworksheets/3rd-grade-math-double-digit-addition-with-regrouping