Problem: Column Subtraction (No Regrouping)
The task involves performing column subtraction for two-digit numbers without regrouping. The instructions specify subtracting the ones place first and then the tens place.
Solution:
We will solve each subtraction problem step by step, ensuring no regrouping is needed.
---
####
1)
$$
\begin{array}{r}
37 \\
- 23 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 7 - 3 = 4 \)
- Subtract the tens place: \( 3 - 2 = 1 \)
- Result: \( 14 \)
####
2)
$$
\begin{array}{r}
87 \\
- 35 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 7 - 5 = 2 \)
- Subtract the tens place: \( 8 - 3 = 5 \)
- Result: \( 52 \)
####
3)
$$
\begin{array}{r}
66 \\
- 13 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 6 - 3 = 3 \)
- Subtract the tens place: \( 6 - 1 = 5 \)
- Result: \( 53 \)
####
4)
$$
\begin{array}{r}
56 \\
- 35 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 6 - 5 = 1 \)
- Subtract the tens place: \( 5 - 3 = 2 \)
- Result: \( 21 \)
####
5)
$$
\begin{array}{r}
48 \\
- 28 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 8 - 8 = 0 \)
- Subtract the tens place: \( 4 - 2 = 2 \)
- Result: \( 20 \)
####
6)
$$
\begin{array}{r}
87 \\
- 45 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 7 - 5 = 2 \)
- Subtract the tens place: \( 8 - 4 = 4 \)
- Result: \( 42 \)
####
7)
$$
\begin{array}{r}
94 \\
- 62 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 4 - 2 = 2 \)
- Subtract the tens place: \( 9 - 6 = 3 \)
- Result: \( 32 \)
####
8)
$$
\begin{array}{r}
87 \\
- 46 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 7 - 6 = 1 \)
- Subtract the tens place: \( 8 - 4 = 4 \)
- Result: \( 41 \)
####
9)
$$
\begin{array}{r}
93 \\
- 71 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 3 - 1 = 2 \)
- Subtract the tens place: \( 9 - 7 = 2 \)
- Result: \( 22 \)
####
10)
$$
\begin{array}{r}
78 \\
- 31 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 8 - 1 = 7 \)
- Subtract the tens place: \( 7 - 3 = 4 \)
- Result: \( 47 \)
####
11)
$$
\begin{array}{r}
54 \\
- 51 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 4 - 1 = 3 \)
- Subtract the tens place: \( 5 - 5 = 0 \)
- Result: \( 3 \)
####
12)
$$
\begin{array}{r}
96 \\
- 73 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 6 - 3 = 3 \)
- Subtract the tens place: \( 9 - 7 = 2 \)
- Result: \( 23 \)
####
13)
$$
\begin{array}{r}
89 \\
- 48 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 9 - 8 = 1 \)
- Subtract the tens place: \( 8 - 4 = 4 \)
- Result: \( 41 \)
####
14)
$$
\begin{array}{r}
67 \\
- 25 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 7 - 5 = 2 \)
- Subtract the tens place: \( 6 - 2 = 4 \)
- Result: \( 42 \)
####
15)
$$
\begin{array}{r}
95 \\
- 31 \\
\hline
\end{array}
$$
- Subtract the ones place: \( 5 - 1 = 4 \)
- Subtract the tens place: \( 9 - 3 = 6 \)
- Result: \( 64 \)
---
Final Answers:
$$
\boxed{
\begin{array}{ccc}
1) & 14 & 2) & 52 & 3) & 53 \\
4) & 21 & 5) & 20 & 6) & 42 \\
7) & 32 & 8) & 41 & 9) & 22 \\
10) & 47 & 11) & 3 & 12) & 23 \\
13) & 41 & 14) & 42 & 15) & 64 \\
\end{array}
}
$$
Parent Tip: Review the logic above to help your child master the concept of subtraction worksheet with two.