Math worksheet for practicing addition and subtraction with money notation.
A math worksheet titled "Adding and Subtracting with Money Notation" featuring 15 problems involving addition and subtraction of monetary values with decimal points.
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Step-by-step solution for: Addition and Subtraction Worksheets with Answer Key
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Show Answer Key & Explanations
Step-by-step solution for: Addition and Subtraction Worksheets with Answer Key
Let’s solve each problem one by one. We’ll add or subtract the money amounts carefully, making sure to line up the decimal points.
---
Problem 1:
$5.38
- $0.85
= ?
Start from the right:
8 - 5 = 3 (hundredths)
3 - 8 → can’t do, so borrow 1 from the 5 (which becomes 4), and the 3 becomes 13.
13 - 8 = 5 (tenths)
4 - 0 = 4 (dollars)
→ $4.53
---
Problem 2:
$3.33
- $1.32
= ?
3 - 2 = 1 (hundredths)
3 - 3 = 0 (tenths)
3 - 1 = 2 (dollars)
→ $2.01
---
Problem 3:
$6.67
+ $5.59
= ?
7 + 9 = 16 → write 6, carry 1
6 + 5 + 1 = 12 → write 2, carry 1
6 + 5 + 1 = 12 → write 12
→ $12.26
---
Problem 4:
$53.26
+ $98.11
= ?
6 + 1 = 7
2 + 1 = 3
3 + 8 = 11 → write 1, carry 1
5 + 9 + 1 = 15
→ $151.37
---
Problem 5:
$28.28
- $9.21
= ?
8 - 1 = 7
2 - 2 = 0
8 - 9 → can’t do, borrow from 2 (becomes 1), 8 becomes 18
18 - 9 = 9
1 - 0 = 1 (since we borrowed, the 2 became 1, and there’s no digit above the 9, so it’s like 1 - 0)
Wait — let’s rewrite with alignment:
28.28
- 9.21
________
Hundredths: 8 - 1 = 7
Tenths: 2 - 2 = 0
Ones: 8 - 9 → borrow from tens → 18 - 9 = 9, tens become 1
Tens: 1 - 0 = 1
→ $19.07
---
Problem 6:
$66.44
- $2.23
= ?
4 - 3 = 1
4 - 2 = 2
6 - 2 = 4
6 - 0 = 6
→ $64.21
---
Problem 7:
$87.18
- $52.23
= ?
8 - 3 = 5
1 - 2 → can’t do, borrow from 7 → 11 - 2 = 9, 7 becomes 6
6 - 2 = 4
8 - 5 = 3
→ $34.95
---
Problem 8:
$23.36
- $8.24
= ?
6 - 4 = 2
3 - 2 = 1
3 - 8 → can’t do, borrow from 2 → 13 - 8 = 5, 2 becomes 1
1 - 0 = 1
→ $15.12
---
Problem 9:
$38.93
+ $44.99
= ?
3 + 9 = 12 → write 2, carry 1
9 + 9 + 1 = 19 → write 9, carry 1
8 + 4 + 1 = 13 → write 3, carry 1
3 + 4 + 1 = 8
→ $83.92
---
Problem 10:
$57.51
+ $87.37
= ?
1 + 7 = 8
5 + 3 = 8
7 + 7 = 14 → write 4, carry 1
5 + 8 + 1 = 14
→ $144.88
---
Problem 11:
$91.23
- $30.07
= ?
3 - 7 → can’t do, borrow → 13 - 7 = 6, 2 becomes 1
1 - 0 = 1
1 - 0 = 1
9 - 3 = 6
→ $61.16
---
Problem 12:
$89.99
- $17.32
= ?
9 - 2 = 7
9 - 3 = 6
9 - 7 = 2
8 - 1 = 7
→ $72.67
---
Problem 13:
$33.47
- $22.22
= ?
7 - 2 = 5
4 - 2 = 2
3 - 2 = 1
3 - 2 = 1
→ $11.25
---
Problem 14:
$69.77
+ $23.33
= ?
7 + 3 = 10 → write 0, carry 1
7 + 3 + 1 = 11 → write 1, carry 1
9 + 3 + 1 = 13 → write 3, carry 1
6 + 2 + 1 = 9
→ $93.10
---
Problem 15:
$22.14
- $19.19
= ?
4 - 9 → can’t do, borrow → 14 - 9 = 5, 1 becomes 0
0 - 1 → can’t do, borrow from 2 → 10 - 1 = 9, 2 becomes 1
1 - 9 → can’t do, borrow from left? Wait — let’s align:
22.14
- 19.19
________
Hundredths: 4 < 9 → borrow → 14 - 9 = 5, tenths digit 1 becomes 0
Tenths: 0 < 1 → borrow from ones → 10 - 1 = 9, ones digit 2 becomes 1
Ones: 1 < 9 → borrow from tens → 11 - 9 = 2, tens digit 2 becomes 1
Tens: 1 - 1 = 0
So result is $2.95
Wait — let me double-check:
22.14 minus 19.19:
Think of it as:
22.14 - 19.00 = 3.14
Then 3.14 - 0.19 = 2.95 → yes!
→ $2.95
---
Final Answer:
1. $4.53
2. $2.01
3. $12.26
4. $151.37
5. $19.07
6. $64.21
7. $34.95
8. $15.12
9. $83.92
10. $144.88
11. $61.16
12. $72.67
13. $11.25
14. $93.10
15. $2.95
---
Problem 1:
$5.38
- $0.85
= ?
Start from the right:
8 - 5 = 3 (hundredths)
3 - 8 → can’t do, so borrow 1 from the 5 (which becomes 4), and the 3 becomes 13.
13 - 8 = 5 (tenths)
4 - 0 = 4 (dollars)
→ $4.53
---
Problem 2:
$3.33
- $1.32
= ?
3 - 2 = 1 (hundredths)
3 - 3 = 0 (tenths)
3 - 1 = 2 (dollars)
→ $2.01
---
Problem 3:
$6.67
+ $5.59
= ?
7 + 9 = 16 → write 6, carry 1
6 + 5 + 1 = 12 → write 2, carry 1
6 + 5 + 1 = 12 → write 12
→ $12.26
---
Problem 4:
$53.26
+ $98.11
= ?
6 + 1 = 7
2 + 1 = 3
3 + 8 = 11 → write 1, carry 1
5 + 9 + 1 = 15
→ $151.37
---
Problem 5:
$28.28
- $9.21
= ?
8 - 1 = 7
2 - 2 = 0
8 - 9 → can’t do, borrow from 2 (becomes 1), 8 becomes 18
18 - 9 = 9
1 - 0 = 1 (since we borrowed, the 2 became 1, and there’s no digit above the 9, so it’s like 1 - 0)
Wait — let’s rewrite with alignment:
28.28
- 9.21
________
Hundredths: 8 - 1 = 7
Tenths: 2 - 2 = 0
Ones: 8 - 9 → borrow from tens → 18 - 9 = 9, tens become 1
Tens: 1 - 0 = 1
→ $19.07
---
Problem 6:
$66.44
- $2.23
= ?
4 - 3 = 1
4 - 2 = 2
6 - 2 = 4
6 - 0 = 6
→ $64.21
---
Problem 7:
$87.18
- $52.23
= ?
8 - 3 = 5
1 - 2 → can’t do, borrow from 7 → 11 - 2 = 9, 7 becomes 6
6 - 2 = 4
8 - 5 = 3
→ $34.95
---
Problem 8:
$23.36
- $8.24
= ?
6 - 4 = 2
3 - 2 = 1
3 - 8 → can’t do, borrow from 2 → 13 - 8 = 5, 2 becomes 1
1 - 0 = 1
→ $15.12
---
Problem 9:
$38.93
+ $44.99
= ?
3 + 9 = 12 → write 2, carry 1
9 + 9 + 1 = 19 → write 9, carry 1
8 + 4 + 1 = 13 → write 3, carry 1
3 + 4 + 1 = 8
→ $83.92
---
Problem 10:
$57.51
+ $87.37
= ?
1 + 7 = 8
5 + 3 = 8
7 + 7 = 14 → write 4, carry 1
5 + 8 + 1 = 14
→ $144.88
---
Problem 11:
$91.23
- $30.07
= ?
3 - 7 → can’t do, borrow → 13 - 7 = 6, 2 becomes 1
1 - 0 = 1
1 - 0 = 1
9 - 3 = 6
→ $61.16
---
Problem 12:
$89.99
- $17.32
= ?
9 - 2 = 7
9 - 3 = 6
9 - 7 = 2
8 - 1 = 7
→ $72.67
---
Problem 13:
$33.47
- $22.22
= ?
7 - 2 = 5
4 - 2 = 2
3 - 2 = 1
3 - 2 = 1
→ $11.25
---
Problem 14:
$69.77
+ $23.33
= ?
7 + 3 = 10 → write 0, carry 1
7 + 3 + 1 = 11 → write 1, carry 1
9 + 3 + 1 = 13 → write 3, carry 1
6 + 2 + 1 = 9
→ $93.10
---
Problem 15:
$22.14
- $19.19
= ?
4 - 9 → can’t do, borrow → 14 - 9 = 5, 1 becomes 0
0 - 1 → can’t do, borrow from 2 → 10 - 1 = 9, 2 becomes 1
1 - 9 → can’t do, borrow from left? Wait — let’s align:
22.14
- 19.19
________
Hundredths: 4 < 9 → borrow → 14 - 9 = 5, tenths digit 1 becomes 0
Tenths: 0 < 1 → borrow from ones → 10 - 1 = 9, ones digit 2 becomes 1
Ones: 1 < 9 → borrow from tens → 11 - 9 = 2, tens digit 2 becomes 1
Tens: 1 - 1 = 0
So result is $2.95
Wait — let me double-check:
22.14 minus 19.19:
Think of it as:
22.14 - 19.00 = 3.14
Then 3.14 - 0.19 = 2.95 → yes!
→ $2.95
---
Final Answer:
1. $4.53
2. $2.01
3. $12.26
4. $151.37
5. $19.07
6. $64.21
7. $34.95
8. $15.12
9. $83.92
10. $144.88
11. $61.16
12. $72.67
13. $11.25
14. $93.10
15. $2.95
Parent Tip: Review the logic above to help your child master the concept of adding and subtracting money worksheet.
