# Worksheet: Column Addition of Two-Digit Numbers

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 two consecutive numbers whose sum is 41.

• A16, 25
• B19, 22
• C20, 19
• D21, 20

Q2:

A girl bought a dress for and a pair of shoes for . How much money did she spend?

Q3:

Fill in the gap: . Use , , or .

• A
• B
• C

Q4:

Use , , or to fill in the gap: .

• A
• B
• C

Q5:

Which number fits in the gap? .

Q6:

Find .

Hint: Do you have to regroup ones to make a ten? Q7:

Olivia spilled ink on her homework.

Find the covered numbers.   Q8:

Find the sum. Q9:

Find .

Hint: Do you have to regroup ones to make a ten? Q10:

Elizabeth 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 .

Q11:

Daniel 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 .

Q12:

Find the sum.

Hint: Think about what happens when there are more than 10 ones. Q13:

Find the sum.

Hint: Add the ones then the tens. What do you do if you have more than 10 ones? Q14:

Find the sum.

Hint: Add the ones then the tens. What happens when there are more than 10 ones? Q15:

Daniel spilt ink on his homework.

Help him find the covered numbers.  Q16:

Find the sum.

Hint: Add the ones then the tens. Q17: