Problem: Solving Integer Addition and Subtraction
The task involves solving a series of integer addition and subtraction problems. Let's solve each problem step by step.
---
####
Left Column:
1.
(-10) + 5 = ?
- Adding a positive number to a negative number:
\[
-10 + 5 = -5
\]
-
Answer: \(\boxed{-5}\)
2.
(-3) + 4 = ?
- Adding a positive number to a negative number:
\[
-3 + 4 = 1
\]
-
Answer: \(\boxed{1}\)
3.
7 + (-6) = ?
- Adding a negative number to a positive number:
\[
7 - 6 = 1
\]
-
Answer: \(\boxed{1}\)
4.
(-4) + (-2) = ?
- Adding two negative numbers:
\[
-4 - 2 = -6
\]
-
Answer: \(\boxed{-6}\)
5.
(-4) + 5 = ?
- Adding a positive number to a negative number:
\[
-4 + 5 = 1
\]
-
Answer: \(\boxed{1}\)
6.
(-15) - 7 = ?
- Subtracting a positive number from a negative number:
\[
-15 - 7 = -22
\]
-
Answer: \(\boxed{-22}\)
7.
(-9) - (-6) = ?
- Subtracting a negative number is equivalent to adding its positive counterpart:
\[
-9 + 6 = -3
\]
-
Answer: \(\boxed{-3}\)
8.
5 - (-9) = ?
- Subtracting a negative number is equivalent to adding its positive counterpart:
\[
5 + 9 = 14
\]
-
Answer: \(\boxed{14}\)
---
####
Right Column:
9.
(-4) + 9 = ?
- Adding a positive number to a negative number:
\[
-4 + 9 = 5
\]
-
Answer: \(\boxed{5}\)
10.
(-2) + 1 = ?
- Adding a positive number to a negative number:
\[
-2 + 1 = -1
\]
-
Answer: \(\boxed{-1}\)
11.
6 + (-3) = ?
- Adding a negative number to a positive number:
\[
6 - 3 = 3
\]
-
Answer: \(\boxed{3}\)
12.
(-3) + (-5) = ?
- Adding two negative numbers:
\[
-3 - 5 = -8
\]
-
Answer: \(\boxed{-8}\)
13.
(-1) + 2 = ?
- Adding a positive number to a negative number:
\[
-1 + 2 = 1
\]
-
Answer: \(\boxed{1}\)
14.
(-3) - 7 = ?
- Subtracting a positive number from a negative number:
\[
-3 - 7 = -10
\]
-
Answer: \(\boxed{-10}\)
15.
(-2) - (-6) = ?
- Subtracting a negative number is equivalent to adding its positive counterpart:
\[
-2 + 6 = 4
\]
-
Answer: \(\boxed{4}\)
16.
9 - (-3) = ?
- Subtracting a negative number is equivalent to adding its positive counterpart:
\[
9 + 3 = 12
\]
-
Answer: \(\boxed{12}\)
---
Final Answers:
\[
\begin{aligned}
&\text{Left Column:} & &\text{Right Column:} \\
&1. \boxed{-5} & &9. \boxed{5} \\
&2. \boxed{1} & &10. \boxed{-1} \\
&3. \boxed{1} & &11. \boxed{3} \\
&4. \boxed{-6} & &12. \boxed{-8} \\
&5. \boxed{1} & &13. \boxed{1} \\
&6. \boxed{-22} & &14. \boxed{-10} \\
&7. \boxed{-3} & &15. \boxed{4} \\
&8. \boxed{14} & &16. \boxed{12} \\
\end{aligned}
\]
Final Boxed Answer:
\[
\boxed{
\begin{array}{ll}
1. -5 & 9. 5 \\
2. 1 & 10. -1 \\
3. 1 & 11. 3 \\
4. -6 & 12. -8 \\
5. 1 & 13. 1 \\
6. -22 & 14. -10 \\
7. -3 & 15. 4 \\
8. 14 & 16. 12 \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of integer addition and subtraction worksheet.