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Worksheet: Addition of Two-Digit Numbers Using Place Value
Q4:
Charlotte is adding 15, 8, and 28.
She added the ones first.
Add the tens to finish her work and find the total.
Q5:
Find the sum.
Hint: Add the ones then the tens.
Q6:
Olivia spilled ink on her homework.
Find the covered numbers.
Q7:
What is the missing number?
- A10
- B30
- C20
Q8:
Add 54 and 40.
Q9:
How many tens are there altogether?
Q10:
Find the sum.
Hint: Add the ones then the tens.
Q11:
Add to find the total.
Hint: Think about tens and ones. Use base ten blocks to help you.
.
.
Q12:
How many tens are there altogether?
Q13:
Find the sum.
Hint: Think about what happens when there are more than 10 ones.
Q14:
Find the sum.
Hint: Add the ones then the tens. What do you do if you have more than 10 ones?
Q15:
Add to find the total.
.
.
Q16:
Elizabeth is adding tens.
Find the missing numbers.
3 tens plus 4 tens is tens.
.
Q17:
Find the sum.
Hint: Add the ones then the tens. What happens when there are more than 10 ones?
Q18:
Complete the following: , , .
- A3, 3 tens, 30
- B4, 4 tens, 40
- C3, 3 tens, 10
- D7, 7 tens, 70
Q19:
Complete the following: , , .
- A7, 7 tens, 70
- B2, 2 tens, 20
- C5, 5 tens, 50
- D9, 9 tens, 90
Q20:
Write the missing number: .
Q21:
James is using base ten blocks to help him add 9 to 34.
He adds the ones first. There are 13 ones.
Pick the model that shows what he should do.
- A
- B
- C
Find the sum.
Q22:
Daniel spilt ink on his homework.
Help him find the covered numbers.
Q23:
Pick a model that shows the sum.
Hint: Think about what happens when there are more than 10 ones.
- A
- B
- C
Q24:
Amelia has 20 beads. She wants to add on 10 more. How many will she have altogether?
Q25:
Find the sum.
Hint: Add the ones then the tens.