SA1 PREPARATION (INTEGERS)

                  7^TH MATHEMATICS

       SA1 PREPARATION (INTEGERS)

After going through this chapter students  will be able to

TYPE 1  What is an integer.

Positive and negative numbers are integers eg …….-3,-2,-1,0,1,2,3,…….

TYPE 2 Represent integers on number line

Q1 Represent 6-4-5 on number line.

Q2 Represent -3x4 on number line.

TYPE 3 Finding absolute value of integers

Q1 Write absolute value of -6

Q2 Write absolute value of 4

TYPE 4 Add,Subtract ,multiply and divide of integers

Q1 Evaluate -3+10-6+99-36-40

Q2 Evaluate [22+3x17+(-53)]/5

TYPE 5 Compare integers

Q1 Arrange in descending order -1,10,0,-3,5,99,-100

Q2 Arrange in ascending order -99,54,89,70,-3,0

TYPE 6 Additive inverse

Q1 Write additive inverse of 5

Q2 Write additive inverse of -3

TYPE 7 Properties i.e Commutative, Associative , distributive etc

Q1 Distributive property  X x (Y+Z) = X x Y + X x Z

Q2 Commutative property  X x Y =Y x X

Q3 Associative property  ( X x y ) x Z = X x ( Y x Z)

TYPE 8 Day to day life involving simple problems from integers

Q1 The temperature of a place at 12 noon was 14⁰ C. It decreases by 3⁰  each hour. What was the temperature at 8 p.m ?

Q2. A boy has Rs.300 in his bank account. He deposits Rs 40 everyday for 10 days . What will be the amount in his account at the end of 10 days.

Reference :- 1.  Above mentioned types is learning material .Please refer book

                       2. www.dbs7maths.blogspot.in