Problem Description:
The task involves solving a series of addition problems presented in a grid format. Each row contains three addition problems, and the goal is to compute the sums for each problem.
Grid of Addition Problems:
The grid is as follows:
1.
Row 1:
- \( 9579 + 8765 \)
- \( 4321 + 9999 \)
- \( 9795 + 8969 \)
2.
Row 2:
- \( 9999 + 9578 \)
- \( 6929 + 9867 \)
- \( 3994 + 9329 \)
3.
Row 3:
- \( 9795 + 6939 \)
- \( 5969 + 9584 \)
- \( 4929 + 9591 \)
4.
Row 4:
- \( 6499 + 2978 \)
- \( 9754 + 5979 \)
- \( 6978 + 9499 \)
5.
Row 5:
- \( 4958 + 9593 \)
- \( 9993 + 5779 \)
- \( 6995 + 3958 \)
Solution Approach:
We will solve each addition problem step by step.
---
####
Row 1:
1. \( 9579 + 8765 \):
\[
9579 + 8765 = 18344
\]
2. \( 4321 + 9999 \):
\[
4321 + 9999 = 14320
\]
3. \( 9795 + 8969 \):
\[
9795 + 8969 = 18764
\]
Row 1 Results:
- \( 18344 \)
- \( 14320 \)
- \( 18764 \)
---
####
Row 2:
1. \( 9999 + 9578 \):
\[
9999 + 9578 = 19577
\]
2. \( 6929 + 9867 \):
\[
6929 + 9867 = 16796
\]
3. \( 3994 + 9329 \):
\[
3994 + 9329 = 13323
\]
Row 2 Results:
- \( 19577 \)
- \( 16796 \)
- \( 13323 \)
---
####
Row 3:
1. \( 9795 + 6939 \):
\[
9795 + 6939 = 16734
\]
2. \( 5969 + 9584 \):
\[
5969 + 9584 = 15553
\]
3. \( 4929 + 9591 \):
\[
4929 + 9591 = 14520
\]
Row 3 Results:
- \( 16734 \)
- \( 15553 \)
- \( 14520 \)
---
####
Row 4:
1. \( 6499 + 2978 \):
\[
6499 + 2978 = 9477
\]
2. \( 9754 + 5979 \):
\[
9754 + 5979 = 15733
\]
3. \( 6978 + 9499 \):
\[
6978 + 9499 = 16477
\]
Row 4 Results:
- \( 9477 \)
- \( 15733 \)
- \( 16477 \)
---
####
Row 5:
1. \( 4958 + 9593 \):
\[
4958 + 9593 = 14551
\]
2. \( 9993 + 5779 \):
\[
9993 + 5779 = 15772
\]
3. \( 6995 + 3958 \):
\[
6995 + 3958 = 10953
\]
Row 5 Results:
- \( 14551 \)
- \( 15772 \)
- \( 10953 \)
---
Final Answer:
The sums for each addition problem are:
1. \( 18344, 14320, 18764 \)
2. \( 19577, 16796, 13323 \)
3. \( 16734, 15553, 14520 \)
4. \( 9477, 15733, 16477 \)
5. \( 14551, 15772, 10953 \)
\[
\boxed{
\begin{array}{ccc}
18344 & 14320 & 18764 \\
19577 & 16796 & 13323 \\
16734 & 15553 & 14520 \\
9477 & 15733 & 16477 \\
14551 & 15772 & 10953 \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of 4 digit addition worksheet.