Chapter 2 Multiplication and Division of Integers Set 2.1

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Chapter 2 Multiplication and Division of Integers Set 2.1

Question 1.
Multiply:

  1. (-5) × (-7)
  2. (-9) × (6)
  3. (9) × (-4)
  4. (8) × (-7)
  5. (-124) × (-1)
  6. (-12) × (-7)
  7. (-63) × (-7)
  8. (-7) × (15)

Solution:

  1. 35
  2. -54
  3. -36
  4. -56
  5. 124
  6. 84
  7. 441
  8. -105

Intext Questions and Activities

Question 1.
In the previous class, we have learnt to add and subtract integers. Using those methods, fill in the blanks below. (Textbook pg. no. 11)

  1. 5 + 7 = __
  2. 10 + (-5) = __
  3. -4 + 3 = __
  4. (-7) + (-2) = __
  5. (+8) – (+ 3) = __
  6. (+8) – (-3) = __

Solution:

  1. 12
  2. 5
  3. -1
  4. -9
  5. 5
  6. 11

Question 2.
Write a number in each bracket to obtain the answer ‘3’ in each operation. (Textbook pg. no. 11)
Maharashtra Board Class 7 Maths Solutions Chapter 2 Multiplication and Division of Integers Practice Set 8 1


Solution:
Maharashtra Board Class 7 Maths Solutions Chapter 2 Multiplication and Division of Integers Practice Set 8 2

Question 3.
Multiply the given integers and complete the table given below. (Textbook pg. no. 12)
Maharashtra Board Class 7 Maths Solutions Chapter 2 Multiplication and Division of Integers Practice Set 8 3
Solution:
Maharashtra Board Class 7 Maths Solutions Chapter 2 Multiplication and Division of Integers Practice Set 8 4