# Lesson Worksheet: Column Addition of Two-Digit Numbers Mathematics • 2nd Grade

In this worksheet, we will practice adding two-digit numbers and record the calculation and any regrouping in columns using the standard algorithm.

Q1:

Find .

Hint: Do you have to regroup ones to make a ten? Q2:

Chloe spilled ink on her homework.

Find the covered numbers.   Q3:

Find the sum. Q4:

Find .

Hint: Do you have to regroup ones to make a ten? Q5:

Isabella is adding 55 and 38.

She added the ones and regrouped 10 ones to make a ten. Add the tens to finish her work and find .

Q6:

Ethan is adding 27 and 35.

He added the ones and regrouped ten ones into a ten. Add the tens to finish his work and find .

Q7:

Find the sum.

Hint: Think about what happens when there are more than 10 ones. Q8:

Find the sum.

Hint: Add the ones then the tens. What do you do if you have more than 10 ones? Q9:

Find the sum.

Hint: Add the ones then the tens. What happens when there are more than 10 ones? Q10:

Ethan spilt ink on his homework.

Help him find the covered numbers.  