Class 7 Maths Worksheet Integers - Online NCERT Questions by ... - Free Printable

Problem Description:

The task involves performing arithmetic operations on integers as outlined in the worksheet. The operations include addition, subtraction, and multiplication. The worksheet is divided into three sections:

1. Section I: Addition of integers.
2. Section II: Subtraction of integers.
3. Section III: Multiplication of integers.

We will solve each section step by step.

---

Section I: Addition of Integers

#### Given Problems:
1. \( (+5) + (+2) \)
2. \( (+5) + (+2) \)
3. \( (+5) + (+2) \)
4. \( (+5) + (+2) \)
5. \( (+7) + (+3) \)
6. \( (+7) + (+3) \)
7. \( (+7) + (+3) \)
8. \( (+7) + (+3) \)
9. \( (+9) + (+4) \)
10. \( (+9) + (+4) \)
11. \( (+9) + (+4) \)
12. \( (+9) + (+4) \)
13. \( (+7) + (+2) \)
14. \( (+7) + (+2) \)
15. \( (+8) + (+2) \)

#### Solutions:
1. \( (+5) + (+2) = 5 + 2 = 7 \)
2. \( (+5) + (+2) = 5 + 2 = 7 \)
3. \( (+5) + (+2) = 5 + 2 = 7 \)
4. \( (+5) + (+2) = 5 + 2 = 7 \)
5. \( (+7) + (+3) = 7 + 3 = 10 \)
6. \( (+7) + (+3) = 7 + 3 = 10 \)
7. \( (+7) + (+3) = 7 + 3 = 10 \)
8. \( (+7) + (+3) = 7 + 3 = 10 \)
9. \( (+9) + (+4) = 9 + 4 = 13 \)
10. \( (+9) + (+4) = 9 + 4 = 13 \)
11. \( (+9) + (+4) = 9 + 4 = 13 \)
12. \( (+9) + (+4) = 9 + 4 = 13 \)
13. \( (+7) + (+2) = 7 + 2 = 9 \)
14. \( (+7) + (+2) = 7 + 2 = 9 \)
15. \( (+8) + (+2) = 8 + 2 = 10 \)

---

Section II: Subtraction of Integers

#### Given Problems:
1. \( (+5) - (+2) \)
2. \( (+5) - (-2) \)
3. \( (+5) - (+2) \)
4. \( (+5) - (-2) \)
5. \( (+7) - (+3) \)
6. \( (+7) - (-3) \)
7. \( (+7) - (+3) \)
8. \( (+7) - (-3) \)
9. \( (+9) - (+4) \)
10. \( (+9) - (-4) \)
11. \( (+9) - (+4) \)
12. \( (+9) - (-4) \)
13. \( (+7) - (+2) \)
14. \( (+7) - (-2) \)
15. \( (+8) - (+2) \)

#### Solutions:
1. \( (+5) - (+2) = 5 - 2 = 3 \)
2. \( (+5) - (-2) = 5 + 2 = 7 \)
3. \( (+5) - (+2) = 5 - 2 = 3 \)
4. \( (+5) - (-2) = 5 + 2 = 7 \)
5. \( (+7) - (+3) = 7 - 3 = 4 \)
6. \( (+7) - (-3) = 7 + 3 = 10 \)
7. \( (+7) - (+3) = 7 - 3 = 4 \)
8. \( (+7) - (-3) = 7 + 3 = 10 \)
9. \( (+9) - (+4) = 9 - 4 = 5 \)
10. \( (+9) - (-4) = 9 + 4 = 13 \)
11. \( (+9) - (+4) = 9 - 4 = 5 \)
12. \( (+9) - (-4) = 9 + 4 = 13 \)
13. \( (+7) - (+2) = 7 - 2 = 5 \)
14. \( (+7) - (-2) = 7 + 2 = 9 \)
15. \( (+8) - (+2) = 8 - 2 = 6 \)

---

Section III: Multiplication of Integers

#### Given Problems:
1. \( (+4) \times (+2) \)
2. \( (+4) \times (+2) \)
3. \( (+4) \times (+2) \)
4. \( (+4) \times (+2) \)
5. \( (+7) \times (+3) \)
6. \( (+7) \times (+3) \)
7. \( (+7) \times (+3) \)
8. \( (+7) \times (+3) \)
9. \( (+9) \times (+4) \)
10. \( (+9) \times (+4) \)
11. \( (+9) \times (+4) \)
12. \( (+9) \times (+4) \)
13. \( (+7) \times (+2) \)
14. \( (+7) \times (+2) \)
15. \( (+8) \times (+2) \)

#### Solutions:
1. \( (+4) \times (+2) = 4 \times 2 = 8 \)
2. \( (+4) \times (+2) = 4 \times 2 = 8 \)
3. \( (+4) \times (+2) = 4 \times 2 = 8 \)
4. \( (+4) \times (+2) = 4 \times 2 = 8 \)
5. \( (+7) \times (+3) = 7 \times 3 = 21 \)
6. \( (+7) \times (+3) = 7 \times 3 = 21 \)
7. \( (+7) \times (+3) = 7 \times 3 = 21 \)
8. \( (+7) \times (+3) = 7 \times 3 = 21 \)
9. \( (+9) \times (+4) = 9 \times 4 = 36 \)
10. \( (+9) \times (+4) = 9 \times 4 = 36 \)
11. \( (+9) \times (+4) = 9 \times 4 = 36 \)
12. \( (+9) \times (+4) = 9 \times 4 = 36 \)
13. \( (+7) \times (+2) = 7 \times 2 = 14 \)
14. \( (+7) \times (+2) = 7 \times 2 = 14 \)
15. \( (+8) \times (+2) = 8 \times 2 = 16 \)

---

Final Answers:

- Section I (Addition):
\[
7, 7, 7, 7, 10, 10, 10, 10, 13, 13, 13, 13, 9, 9, 10
\]

- Section II (Subtraction):
\[
3, 7, 3, 7, 4, 10, 4, 10, 5, 13, 5, 13, 5, 9, 6
\]

- Section III (Multiplication):
\[
8, 8, 8, 8, 21, 21, 21, 21, 36, 36, 36, 36, 14, 14, 16
\]

\boxed{
\begin{aligned}
&\text{Section I: } 7, 7, 7, 7, 10, 10, 10, 10, 13, 13, 13, 13, 9, 9, 10 \\
&\text{Section II: } 3, 7, 3, 7, 4, 10, 4, 10, 5, 13, 5, 13, 5, 9, 6 \\
&\text{Section III: } 8, 8, 8, 8, 21, 21, 21, 21, 36, 36, 36, 36, 14, 14, 16
\end{aligned}
}