Column Subtraction Decimals Sheet 1 - A printable math worksheet for practicing decimal subtraction with 24 problems, designed by Math-Salamanders.com.
Column subtraction decimals worksheet with 24 problems, featuring a salamander theme and Math-Salamanders.com branding.
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Show Answer Key & Explanations
Step-by-step solution for: Decimal Subtraction Worksheets
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Show Answer Key & Explanations
Step-by-step solution for: Decimal Subtraction Worksheets
Problem: Solve the column subtraction problems involving decimals.
#### Solution:
We will solve each subtraction problem step by step, aligning the decimal points and performing the subtraction carefully.
---
Problem 1:
$$
24.95 - 11.83
$$
- Align the decimal points:
$$
\begin{array}{r}
24.95 \\
- 11.83 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(5 - 3 = 2\)
- In the tenths place: \(9 - 8 = 1\)
- In the ones place: \(4 - 1 = 3\)
- In the tens place: \(2 - 1 = 1\)
$$
\begin{array}{r}
24.95 \\
- 11.83 \\
\hline
13.12 \\
\end{array}
$$
Answer: \(13.12\)
---
Problem 2:
$$
37.79 - 13.54
$$
- Align the decimal points:
$$
\begin{array}{r}
37.79 \\
- 13.54 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(9 - 4 = 5\)
- In the tenths place: \(7 - 5 = 2\)
- In the ones place: \(7 - 3 = 4\)
- In the tens place: \(3 - 1 = 2\)
$$
\begin{array}{r}
37.79 \\
- 13.54 \\
\hline
24.25 \\
\end{array}
$$
Answer: \(24.25\)
---
Problem 3:
$$
19.68 - 3.43
$$
- Align the decimal points:
$$
\begin{array}{r}
19.68 \\
- \ 3.43 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(8 - 3 = 5\)
- In the tenths place: \(6 - 4 = 2\)
- In the ones place: \(9 - 3 = 6\) (no borrowing needed)
- In the tens place: \(1 - 0 = 1\)
$$
\begin{array}{r}
19.68 \\
- \ 3.43 \\
\hline
16.25 \\
\end{array}
$$
Answer: \(16.25\)
---
Problem 4:
$$
27.87 - 12.62
$$
- Align the decimal points:
$$
\begin{array}{r}
27.87 \\
- 12.62 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(7 - 2 = 5\)
- In the tenths place: \(8 - 6 = 2\)
- In the ones place: \(7 - 2 = 5\)
- In the tens place: \(2 - 1 = 1\)
$$
\begin{array}{r}
27.87 \\
- 12.62 \\
\hline
15.25 \\
\end{array}
$$
Answer: \(15.25\)
---
Problem 5:
$$
46.19 - 14.55
$$
- Align the decimal points:
$$
\begin{array}{r}
46.19 \\
- 14.55 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(9 - 5 = 4\)
- In the tenths place: \(1 - 5\) (borrow from the ones place): \(11 - 5 = 6\)
- In the ones place: \(5 - 4 = 1\) (after borrowing)
- In the tens place: \(4 - 1 = 3\)
$$
\begin{array}{r}
46.19 \\
- 14.55 \\
\hline
31.64 \\
\end{array}
$$
Answer: \(31.64\)
---
Problem 6:
$$
17.67 - 4.52
$$
- Align the decimal points:
$$
\begin{array}{r}
17.67 \\
- \ 4.52 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(7 - 2 = 5\)
- In the tenths place: \(6 - 5 = 1\)
- In the ones place: \(7 - 4 = 3\)
- In the tens place: \(1 - 0 = 1\)
$$
\begin{array}{r}
17.67 \\
- \ 4.52 \\
\hline
13.15 \\
\end{array}
$$
Answer: \(13.15\)
---
Problem 7:
$$
69.93 - 62.57
$$
- Align the decimal points:
$$
\begin{array}{r}
69.93 \\
- 62.57 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(3 - 7\) (borrow from the tenths place): \(13 - 7 = 6\)
- In the tenths place: \(8 - 5 = 3\) (after borrowing)
- In the ones place: \(9 - 2 = 7\)
- In the tens place: \(6 - 6 = 0\)
$$
\begin{array}{r}
69.93 \\
- 62.57 \\
\hline
7.36 \\
\end{array}
$$
Answer: \(7.36\)
---
Problem 8:
$$
48.29 - 21.65
$$
- Align the decimal points:
$$
\begin{array}{r}
48.29 \\
- 21.65 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(9 - 5 = 4\)
- In the tenths place: \(2 - 6\) (borrow from the ones place): \(12 - 6 = 6\)
- In the ones place: \(7 - 1 = 6\) (after borrowing)
- In the tens place: \(4 - 2 = 2\)
$$
\begin{array}{r}
48.29 \\
- 21.65 \\
\hline
26.64 \\
\end{array}
$$
Answer: \(26.64\)
---
Problem 9:
$$
325.2 - 121.7
$$
- Align the decimal points:
$$
\begin{array}{r}
325.20 \\
- 121.70 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(0 - 0 = 0\)
- In the tenths place: \(2 - 7\) (borrow from the ones place): \(12 - 7 = 5\)
- In the ones place: \(4 - 1 = 3\) (after borrowing)
- In the tens place: \(2 - 2 = 0\)
- In the hundreds place: \(3 - 1 = 2\)
$$
\begin{array}{r}
325.20 \\
- 121.70 \\
\hline
203.50 \\
\end{array}
$$
Answer: \(203.50\)
---
Problem 10:
$$
236.4 - 133.5
$$
- Align the decimal points:
$$
\begin{array}{r}
236.40 \\
- 133.50 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(0 - 0 = 0\)
- In the tenths place: \(4 - 5\) (borrow from the ones place): \(14 - 5 = 9\)
- In the ones place: \(5 - 3 = 2\) (after borrowing)
- In the tens place: \(3 - 3 = 0\)
- In the hundreds place: \(2 - 1 = 1\)
$$
\begin{array}{r}
236.40 \\
- 133.50 \\
\hline
102.90 \\
\end{array}
$$
Answer: \(102.90\)
---
Problem 11:
$$
287.4 - 52.7
$$
- Align the decimal points:
$$
\begin{array}{r}
287.40 \\
- \ 52.70 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(0 - 0 = 0\)
- In the tenths place: \(4 - 7\) (borrow from the ones place): \(14 - 7 = 7\)
- In the ones place: \(6 - 2 = 4\) (after borrowing)
- In the tens place: \(8 - 5 = 3\)
- In the hundreds place: \(2 - 0 = 2\)
$$
\begin{array}{r}
287.40 \\
- \ 52.70 \\
\hline
234.70 \\
\end{array}
$$
Answer: \(234.70\)
---
Problem 12:
$$
834.4 - 127.9
$$
- Align the decimal points:
$$
\begin{array}{r}
834.40 \\
- 127.90 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(0 - 0 = 0\)
- In the tenths place: \(4 - 9\) (borrow from the ones place): \(14 - 9 = 5\)
- In the ones place: \(3 - 7\) (borrow from the tens place): \(13 - 7 = 6\)
- In the tens place: \(2 - 2 = 0\) (after borrowing)
- In the hundreds place: \(8 - 1 = 7\)
$$
\begin{array}{r}
834.40 \\
- 127.90 \\
\hline
706.50 \\
\end{array}
$$
Answer: \(706.50\)
---
Problem 13:
$$
87.65 - 35.45
$$
- Align the decimal points:
$$
\begin{array}{r}
87.65 \\
- 35.45 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(5 - 5 = 0\)
- In the tenths place: \(6 - 4 = 2\)
- In the ones place: \(7 - 5 = 2\)
- In the tens place: \(8 - 3 = 5\)
$$
\begin{array}{r}
87.65 \\
- 35.45 \\
\hline
52.20 \\
\end{array}
$$
Answer: \(52.20\)
---
Problem 14:
$$
328.2 - 46.8
$$
- Align the decimal points:
$$
\begin{array}{r}
328.20 \\
- \ 46.80 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(0 - 0 = 0\)
- In the tenths place: \(2 - 8\) (borrow from the ones place): \(12 - 8 = 4\)
- In the ones place: \(7 - 6 = 1\) (after borrowing)
- In the tens place: \(2 - 4\) (borrow from the hundreds place): \(12 - 4 = 8\)
- In the hundreds place: \(2 - 0 = 2\) (after borrowing)
$$
\begin{array}{r}
328.20 \\
- \ 46.80 \\
\hline
281.40 \\
\end{array}
$$
Answer: \(281.40\)
---
Problem 15:
$$
25.32 - 11.8
$$
- Align the decimal points:
$$
\begin{array}{r}
25.32 \\
- 11.80 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(2 - 0 = 2\)
- In the tenths place: \(3 - 8\) (borrow from the ones place): \(13 - 8 = 5\)
- In the ones place: \(4 - 1 = 3\) (after borrowing)
- In the tens place: \(2 - 1 = 1\)
$$
\begin{array}{r}
25.32 \\
- 11.80 \\
\hline
13.52 \\
\end{array}
$$
Answer: \(13.52\)
---
Problem 16:
$$
36.24 - 13.65
$$
- Align the decimal points:
$$
\begin{array}{r}
36.24 \\
- 13.65 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(4 - 5\) (borrow from the tenths place): \(14 - 5 = 9\)
- In the tenths place: \(1 - 6\) (borrow from the ones place): \(11 - 6 = 5\)
- In the ones place: \(5 - 3 = 2\) (after borrowing)
- In the tens place: \(3 - 1 = 2\)
$$
\begin{array}{r}
36.24 \\
- 13.65 \\
\hline
22.59 \\
\end{array}
$$
Answer: \(22.59\)
---
Problem 17:
$$
258.4 - 176.6
$$
- Align the decimal points:
$$
\begin{array}{r}
258.40 \\
- 176.60 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(0 - 0 = 0\)
- In the tenths place: \(4 - 6\) (borrow from the ones place): \(14 - 6 = 8\)
- In the ones place: \(7 - 6 = 1\) (after borrowing)
- In the tens place: \(5 - 7\) (borrow from the hundreds place): \(15 - 7 = 8\)
- In the hundreds place: \(1 - 1 = 0\) (after borrowing)
$$
\begin{array}{r}
258.40 \\
- 176.60 \\
\hline
81.80 \\
\end{array}
$$
Answer: \(81.80\)
---
Problem 18:
$$
26.31 - 9.84
$$
- Align the decimal points:
$$
\begin{array}{r}
26.31 \\
- \ 9.84 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(1 - 4\) (borrow from the tenths place): \(11 - 4 = 7\)
- In the tenths place: \(2 - 8\) (borrow from the ones place): \(12 - 8 = 4\)
- In the ones place: \(5 - 9\) (borrow from the tens place): \(15 - 9 = 6\)
- In the tens place: \(1 - 0 = 1\) (after borrowing)
$$
\begin{array}{r}
26.31 \\
- \ 9.84 \\
\hline
16.47 \\
\end{array}
$$
Answer: \(16.47\)
---
Problem 19:
$$
39.70 - 16.38
$$
- Align the decimal points:
$$
\begin{array}{r}
39.70 \\
- 16.38 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(0 - 8\) (borrow from the tenths place): \(10 - 8 = 2\)
- In the tenths place: \(6 - 3 = 3\) (after borrowing)
- In the ones place: \(9 - 6 = 3\)
- In the tens place: \(3 - 1 = 2\)
$$
\begin{array}{r}
39.70 \\
- 16.38 \\
\hline
23.32 \\
\end{array}
$$
Answer: \(23.32\)
---
Problem 20:
$$
625.1 - 273.5
$$
- Align the decimal points:
$$
\begin{array}{r}
625.10 \\
- 273.50 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(0 - 0 = 0\)
- In the tenths place: \(1 - 5\) (borrow from the ones place): \(11 - 5 = 6\)
- In the ones place: \(4 - 3 = 1\) (after borrowing)
- In the tens place: \(2 - 7\) (borrow from the hundreds place): \(12 - 7 = 5\)
- In the hundreds place: \(5 - 2 = 3\) (after borrowing)
$$
\begin{array}{r}
625.10 \\
- 273.50 \\
\hline
351.60 \\
\end{array}
$$
Answer: \(351.60\)
---
Problem 21:
$$
760.5 - 252.1
$$
- Align the decimal points:
$$
\begin{array}{r}
760.50 \\
- 252.10 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(0 - 0 = 0\)
- In the tenths place: \(5 - 1 = 4\)
- In the ones place: \(0 - 2\) (borrow from the tens place): \(10 - 2 = 8\)
- In the tens place: \(5 - 5 = 0\) (after borrowing)
- In the hundreds place: \(7 - 2 = 5\)
$$
\begin{array}{r}
760.50 \\
- 252.10 \\
\hline
508.40 \\
\end{array}
$$
Answer: \(508.40\)
---
Problem 22:
$$
629.7 - 156.5
$$
- Align the decimal points:
$$
\begin{array}{r}
629.70 \\
- 156.50 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(0 - 0 = 0\)
- In the tenths place: \(7 - 5 = 2\)
- In the ones place: \(9 - 6 = 3\)
- In the tens place: \(2 - 5\) (borrow from the hundreds place): \(12 - 5 = 7\)
- In the hundreds place: \(5 - 1 = 4\) (after borrowing)
$$
\begin{array}{r}
629.70 \\
- 156.50 \\
\hline
473.20 \\
\end{array}
$$
Answer: \(473.20\)
---
Problem 23:
$$
57.35 - 29.61
$$
- Align the decimal points:
$$
\begin{array}{r}
57.35 \\
- 29.61 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(5 - 1 = 4\)
- In the tenths place: \(3 - 6\) (borrow from the ones place): \(13 - 6 = 7\)
- In the ones place: \(6 - 9\) (borrow from the tens place): \(16 - 9 = 7\)
- In the tens place: \(4 - 2 = 2\) (after borrowing)
$$
\begin{array}{r}
57.35 \\
- 29.61 \\
\hline
27.74 \\
\end{array}
$$
Answer: \(27.74\)
---
Problem 24:
$$
80.55 - 52.28
$$
- Align the decimal points:
$$
\begin{array}{r}
80.55 \\
- 52.28 \\
\hline
\end{array}
$$
- Subtract digit by digit:
- In the hundredths place: \(5 - 8\) (borrow from the tenths place): \(15 - 8 = 7\)
- In the tenths place: \(4 - 2 = 2\) (after borrowing)
- In the ones place: \(0 - 2\) (borrow from the tens place): \(10 - 2 = 8\)
- In the tens place: \(7 - 5 = 2\) (after borrowing)
$$
\begin{array}{r}
80.55 \\
- 52.28 \\
\hline
28.27 \\
\end{array}
$$
Answer: \(28.27\)
---
Final Answers:
$$
\boxed{
\begin{array}{ll}
1) & 13.12 \\
2) & 24.25 \\
3) & 16.25 \\
4) & 15.25 \\
5) & 31.64 \\
6) & 13.15 \\
7) & 7.36 \\
8) & 26.64 \\
9) & 203.50 \\
10) & 102.90 \\
11) & 234.70 \\
12) & 706.50 \\
13) & 52.20 \\
14) & 281.40 \\
15) & 13.52 \\
16) & 22.59 \\
17) & 81.80 \\
18) & 16.47 \\
19) & 23.32 \\
20) & 351.60 \\
21) & 508.40 \\
22) & 473.20 \\
23) & 27.74 \\
24) & 28.27 \\
\end{array}
}
$$
Parent Tip: Review the logic above to help your child master the concept of decimals worksheet grade 5.