Class 7 Exam  >  Class 7 Notes  >  Mathematics (Maths) Class 7  >  Very Short Question Answers: Integers

Class 7 Maths Chapter 1 Question Answers - Integers

Q1: Define Integers.
Ans: The numbers range from negative infinity to positive infinity including zero. They are denoted by I i.e. I = {.....-3,-2,-1,0,1,2,3.....}.

Q2: Additive inverse of -25 is ____.
Ans: 25.

Q3: What would come in place of ? in -11+0=?
Ans: -11

Q4: Fill the blanks for -3×125= ___
Ans: -375

Q5: We move to the left in the number line when we__________ or __________.
Ans: We move to the left in the number line when we add a negative integer or subtract a positive integer.

Q6: Fill the blanks for -228+96+125 ___ -451+197+76 ( use>,<,= ) 
Ans: simplifying both LHS and RHS separately 

LHS: [-228 + 96 + 125]  =[-228 + 221] =  -7

RHS: [-451 + 197 + 76] = [-451 + 273] = -178

therefore ; -7  >  -178

-228 + 96 + 125 > -451 + 197 + 76

Q7: Fill the blanks for -22×-13×5= _____ 

Ans: solving in steps: −22×−13= +286

+286 × 5=1430

therefore, whole equation becomes: 

Class 7 Maths Chapter 1 Question Answers - Integers

The document Class 7 Maths Chapter 1 Question Answers - Integers is a part of the Class 7 Course Mathematics (Maths) Class 7.
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