Problem Description:
The task involves solving a series of two-digit addition and subtraction problems. Each row contains multiple operations, and the goal is to compute the results for each operation.
Solution Approach:
We will solve each operation step by step, ensuring clarity and accuracy. The operations are straightforward additions and subtractions of two-digit numbers.
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Step-by-Step Solution:
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Row 1:
1. \( 89 - 25 = 64 \)
2. \( 17 - 13 = 4 \)
3. \( 21 + 67 = 88 \)
4. \( 51 + 59 = 110 \)
5. \( 45 + 60 = 105 \)
6. \( 28 + 64 = 92 \)
7. \( 16 + 90 = 106 \)
Row 1 Results: \( 64, 4, 88, 110, 105, 92, 106 \)
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####
Row 2:
1. \( 99 - 42 = 57 \)
2. \( 77 + 93 = 170 \)
3. \( 22 - 12 = 10 \)
4. \( 97 + 40 = 137 \)
5. \( 13 - 12 = 1 \)
6. \( 83 + 13 = 96 \)
7. \( 14 - 11 = 3 \)
Row 2 Results: \( 57, 170, 10, 137, 1, 96, 3 \)
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Row 3:
1. \( 63 - 20 = 43 \)
2. \( 99 - 13 = 86 \)
3. \( 64 + 40 = 104 \)
4. \( 53 + 52 = 105 \)
5. \( 82 + 82 = 164 \)
6. \( 24 + 19 = 43 \)
7. \( 17 - 17 = 0 \)
Row 3 Results: \( 43, 86, 104, 105, 164, 43, 0 \)
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Row 4:
1. \( 55 + 46 = 101 \)
2. \( 70 - 43 = 27 \)
3. \( 48 - 35 = 13 \)
4. \( 79 + 37 = 116 \)
5. \( 24 + 70 = 94 \)
6. \( 54 - 10 = 44 \)
7. \( 35 + 77 = 112 \)
Row 4 Results: \( 101, 27, 13, 116, 94, 44, 112 \)
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Row 5:
1. \( 88 - 21 = 67 \)
2. \( 44 - 27 = 17 \)
3. \( 87 + 80 = 167 \)
4. \( 28 + 91 = 119 \)
5. \( 24 + 54 = 78 \)
6. \( 80 - 34 = 46 \)
7. \( 53 + 59 = 112 \)
Row 5 Results: \( 67, 17, 167, 119, 78, 46, 112 \)
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Row 6:
1. \( 28 + 10 = 38 \)
2. \( 42 - 16 = 26 \)
3. \( 18 + 34 = 52 \)
4. \( 17 + 69 = 86 \)
5. \( 62 + 49 = 111 \)
6. \( 21 - 12 = 9 \)
7. \( 45 - 27 = 18 \)
Row 6 Results: \( 38, 26, 52, 86, 111, 9, 18 \)
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Row 7:
1. \( 92 - 25 = 67 \)
2. \( 38 - 21 = 17 \)
3. \( 35 - 32 = 3 \)
4. \( 83 - 27 = 56 \)
5. \( 69 + 90 = 159 \)
6. \( 96 + 35 = 131 \)
7. \( 74 - 50 = 24 \)
Row 7 Results: \( 67, 17, 3, 56, 159, 131, 24 \)
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Final Answer:
\[
\boxed{
\begin{array}{ccccccc}
64 & 4 & 88 & 110 & 105 & 92 & 106 \\
57 & 170 & 10 & 137 & 1 & 96 & 3 \\
43 & 86 & 104 & 105 & 164 & 43 & 0 \\
101 & 27 & 13 & 116 & 94 & 44 & 112 \\
67 & 17 & 167 & 119 & 78 & 46 & 112 \\
38 & 26 & 52 & 86 & 111 & 9 & 18 \\
67 & 17 & 3 & 56 & 159 & 131 & 24 \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of printable math worksheets addition 3rd grade.