Lesson Worksheet: Column Addition of Three-Digit Numbers: Regroup Ones and Tens Mathematics • 2nd Grade
In this worksheet, we will practice adding two three-digit numbers when we have to regroup ones and tens and record the calculation in columns.
Q2:
Add 266 and 547. Use place value blocks if you need to.
Hint: Think about whether you need to regroup.
Q5:
Find the sum.
Q6:
Look at this calculation.
To find the sum, will you have to regroup any tens or hundreds?
- AI will regroup 0 tens and 0 hundreds
- BI will regroup 1 ten and 1 hundred
- CI will regroup 1 ten and 0 hundreds
- DI will regroup 0 tens and 1 hundred
Find the sum.
Q7:
Calculate the following:
Q8:
Find the sum.
Hint: Think about whether you need to regroup.
Q9:
Find the sum.
Hint: Think about whether you need to regroup.
Q10:
In a parking lot, there are 248 green cars and 473 blue cars.
Use column addition to find the total number of cars.