CBSE Class 7 Mathematics Integers Worksheet Set A

Read and download free pdf of CBSE Class 7 Mathematics Integers Worksheet Set A. Download printable Mathematics Class 7 Worksheets in pdf format, CBSE Class 7 Mathematics Chapter 1 Integers Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Mathematics Class 7 Assignments and practice them daily to get better marks in tests and exams for Class 7. Free chapter wise worksheets with answers have been designed by Class 7 teachers as per latest examination pattern

Chapter 1 Integers Mathematics Worksheet for Class 7

Class 7 Mathematics students should refer to the following printable worksheet in Pdf in Class 7. This test paper with questions and solutions for Class 7 Mathematics will be very useful for tests and exams and help you to score better marks

Class 7 Mathematics Chapter 1 Integers Worksheet Pdf

 

TOPIC: INTEGERS
 
 
Introduction:
 
 
The set of negative numbers along with the set of whole numbers are known as integers.
{ ……, -4, -3, -2, -1, 0, 1, 2, 3, 4,…..}.
 
The numbers -1, -2, -3, -4,…. are called negative integers and the numbers 1, 2, 3, 4 … are called positive integers. Number ‘0’ is considered neither a positive nor a negative integer. Integers have either a positive sign (+) or a negative sign (−). These two signs define their direction or position on the number line.
CBSE Class 7 Mathematics Integers Worksheet Set A 1
 
Given below some situations, where the positive and negative integers are used.
 
CBSE Class 7 Mathematics Integers Worksheet Set A 2
 
Absolute value of an Integer
 
Absolute value of an Integer is the value of the integer without considering its sign. Abolute value of an integer n is denoted by |n|.
If n is an integer, then
                         
                               Absolute value of + n is |+ n| = n
                               Absolute value of − n is |− n| = n
 
Examples:
 
Q1: Find the absolute value of − 3.
 
Sol: |−3| = 3
 
Q2: Add the integers +15, −4, +8 and −6.
 
Sol: +15 + (−4) + 8 + (−6)
 
= +23 – 10
 
= +13
 
Q3: Subtract +94 from – 105.
 
Sol: − 105 – (+94)
 
= − 105 – 94
 
= − 199
 
Q4: Write a negative integer and a positive integer whose sum is - 5.
 
Sol: −8 and +3
 
Q5: In a quiz, positive marks are given for correct answers and negative marks are given for incorrect answers. If jack's scores in five successive rounds were 25, - 5, - 10, 15 and 10, what was his total at the end?
 
Sol : Jack's scores in five successive rounds are 25, -5, -10, 15, and 10. Total score of Jack at the end will be the sum of these scores.
 
Therefore, Jack's total score at the end = 25 - 5 - 10 + 15 + 10 = 35
 
Q6: At Srinagar temperature was - 5°C on Monday and then it dropped by 2°C on Tuesday. What was the temperature of Srinagar on Tuesday? On Wednesday, it rose by 4°C. What was the temperature on this day?
 
Solution : Temperature on Monday = -5°C
 
Temperature on Tuesday = Temperature on Monday -2°C
 
= -5°C - 2°C = -7°C
 
Temperature on Wednesday = Temperature on Tuesday + 4°C
 
= -7°C + 4°C = -3°C
 
Therefore, the temperature on Tuesday and Wednesday was -7°C and -3°C respectively.
 
Q7: A plane is flying at the height of 5000 m above the sea level. At a particular point, it is exactly above a submarine floating 1200 m below the sea level. What is the vertical distance between them?
 
Solution: Height of plane = 5000 m
 
Depth of submarine = -1200 m
 
Distance between plane and submarine = 5000 m - (-1200) m
 
= 5000 m + 1200 m = 6200 m
 
Q8: Mohan deposits Rs 2,000 in his bank account and withdraws Rs 1,642 from it, the next day. If withdrawal of amount from the account is represented by a negative integer, then how will you represent the amount deposited? Find the balance in Mohan's account after the withdrawal.
 
Solution : Since the amount withdrawn is represented by a negative integer, the amount deposited will be represented by a positive integer.
 
Amount deposited = Rs 2000
 
Amount withdrawn = -Rs 1642
 
Balance in Mohan's account = Money deposited + Money withdrawn
 
= 2000 + (-1642) = 2000 - 1642 = 358
 
Therefore, balance in Mohan's account after withdrawal is Rs 358.
 
Q9: In a quiz, team A scored - 40, 10, 0 and team B scored 10, 0 - 40 in three successive rounds. Which team scored more? Can we say that we can add integers in any order?
 
Solution: Team A scored - 40, 10, 0.
 
Total score = - 40 + 10 + 0 = -30
 
Team B scored 10, 0, -40.
 
Total score = 10 + 0 + (-40) = -30
 
The scores of both teams are equal.
 
Q10: In a building, there are 9 floors above ground and 4 floors below the ground. An elevator starts ascending from the second floor below the ground. If the elevator reaches each floor in 3 minutes, where would it be 15 minutes after the start? (Assume that elevator stops at each floor)
 
Solution: Number of floors above the ground level = 9
 
Number of floors below the ground level = 4
 
The floor from which the elevator starts ascending = -2 floor
 
Rate of ascending = 3 minutes per floor
 
Number of floors covered in 15 minutes = 15 /3 = 5 floors
 
Now, starting form -2 floors, 5 floors covered would be
 
(-2) + 5 = 3 floors from the ground level.
 
Thus, elevator will be above 3 floors from the ground after 15 minutes of the start.

 

 

 

Please click on below link to download CBSE Class 7 Mathematics Integers Worksheet Set A

Chapter 1 Integers CBSE Class 7 Mathematics Worksheet

The above practice worksheet for Chapter 1 Integers has been designed as per the current syllabus for Class 7 Mathematics released by CBSE. Students studying in Class 7 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 7 Mathematics on a daily basis. All the latest practice worksheets with solutions have been developed for Mathematics by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 7 Mathematics students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 7 Mathematics to develop the Mathematics Class 7 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 7 Mathematics designed by our teachers. After solving these you should also refer to Class 7 Mathematics MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 7 Mathematics which you can use to further make yourself better in Mathematics.

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