Problem Description:
The worksheet contains a series of addition and subtraction problems. The task is to solve each problem and provide the correct answers.
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Solution:
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Part 1: Basic Addition and Subtraction Problems
We will solve each problem step by step.
1.
5 + 3
\( 5 + 3 = 8 \)
2.
8 - 7
\( 8 - 7 = 1 \)
3.
2 + 2
\( 2 + 2 = 4 \)
4.
4 + 4
\( 4 + 4 = 8 \)
5.
3 + 9
\( 3 + 9 = 12 \)
6.
3 - 1
\( 3 - 1 = 2 \)
7.
0 + 7
\( 0 + 7 = 7 \)
8.
4 + 5
\( 4 + 5 = 9 \)
9.
6 + 6
\( 6 + 6 = 12 \)
10.
9 - 7
\( 9 - 7 = 2 \)
11.
8 - 3
\( 8 - 3 = 5 \)
12.
4 + 3
\( 4 + 3 = 7 \)
13.
4 + 7
\( 4 + 7 = 11 \)
14.
2 - 1
\( 2 - 1 = 1 \)
15.
7 - 0
\( 7 - 0 = 7 \)
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####
Part 2: Fill-in-the-Blank Problems
We will solve each equation and fill in the blanks.
16.
7 + 7 = ____
\( 7 + 7 = 14 \)
17.
4 + 3 = ____
\( 4 + 3 = 7 \)
18.
9 - 1 = ____
\( 9 - 1 = 8 \)
19.
6 - 2 = ____
\( 6 - 2 = 4 \)
20.
8 + 3 = ____
\( 8 + 3 = 11 \)
21.
5 + 2 = ____
\( 5 + 2 = 7 \)
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Final Answers:
1. \( 8 \)
2. \( 1 \)
3. \( 4 \)
4. \( 8 \)
5. \( 12 \)
6. \( 2 \)
7. \( 7 \)
8. \( 9 \)
9. \( 12 \)
10. \( 2 \)
11. \( 5 \)
12. \( 7 \)
13. \( 11 \)
14. \( 1 \)
15. \( 7 \)
16. \( 14 \)
17. \( 7 \)
18. \( 8 \)
19. \( 4 \)
20. \( 11 \)
21. \( 7 \)
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Boxed Final Answer:
\[
\boxed{
8, 1, 4, 8, 12, 2, 7, 9, 12, 2, 5, 7, 11, 1, 7, 14, 7, 8, 4, 11, 7
}
\]
Parent Tip: Review the logic above to help your child master the concept of 1st grade math worksheet addition and subtraction.