Operations on Rational Numbers Class 7 Practice Set 22 Answers Solutions Chapter 5
Question 1
Maharashtra Board Solution
Carry out the following additions of rational numbers: i. ii. iii. iv.
Solution & Step-by-Step Answer:
i.
ii.
iii.
iv.
Question 2
Maharashtra Board Solution
Carry out the following subtractions involving rational numbers. i. ii. iii. iv.
Solution & Step-by-Step Answer:
i.
ii.
iii.
iv.
Question 3
Maharashtra Board Solution
Multiply the following rational numbers. i. ii. iii. iv.
Solution & Step-by-Step Answer:
i.
ii.
iii.
iv.
Question 4
Maharashtra Board Solution
Write the multiplicative inverse of. i. ii. iii. iv. 7 v.
Solution & Step-by-Step Answer:
i. ii. iii. iv. v.
Question 5
Maharashtra Board Solution
Carry out the divisions of rational numbers: i. ii. iii. iv. v. vi. vii. viii.
Solution & Step-by-Step Answer:
i.
ii.
iii.
iv.
v.
vi.
vii.
viii.
Maharashtra Board Class 7 Maths Chapter 5 Operations on Rational Numbers Practice Set 22 Intext Questions and Activities
Question 1
Maharashtra Board Solution
Complete the table given below. (Textbook pg. no. 34)
-3 | -17 | 5 | |||
Natural Numbers | x | ✓ | |||
Integers | ✓ | ||||
Rational Numbers | ✓ |
Solution & Step-by-Step Answer:
-3 | -17 | 5 | |||
Natural Numbers | x | x | x | x | ✓ |
Integers | ✓ | x | ✓ | x | ✓ |
Rational Numbers | ✓ | ✓ | ✓ | ✓ | ✓
Question 2
Maharashtra Board Solution
Discuss the characteristics of various groups of numbers in class and complete the table below. In front of each group, write the inference you make after carrying out the operations of addition, subtraction, multiplication and division, using a (✓) or a (x). Remember that you cannot divide by zero. (Textbook pg. no. 35) |
Group of Numbers | Addition | Subtraction | Multiplication | Division |
Natural Numbers | ✓ | x | ✓ | x |
Integers | ||||
Rational Numbers |
Solution & Step-by-Step Answer:
Group of Numbers | Addition | Subtraction | Multiplication | Division |
Natural Numbers | ✓ | x | ✓ | x |
Integers | ✓ | ✓ | ✓ | x |
Rational Numbers | ✓ | ✓ | ✓ | ✓ |