6th Maths : Term 1 Unit 2 : Introduction To Algebra : Text Book Back Exercises Questions with Answers, Solution

__Exercise
2.1__

** **

**1. Fill in the blanks.**

**(i) ****The letters ***a, b, c, … x, y, z*** are used to represent
_________. ****Answer: **__Variables__.

**(ii) A quantity that takes ___________ values is called a variable. ****Answer:**** Different**

**(iii) If there are 5 students in a bench, then the number of students
in ‘n’ benches is ‘5 × n’. Here ___________ is a variable. **

** **

**2. Say True or False.**

**(i) **** The length of part B in the pencil shown is ‘a − 6’. **

**(ii) If the cost of an **** is ‘x’ and the cost of a **** is ₹5, then the total cost of fruits is ₹ '*** x*** + 5'. **

**(iii) ****If there are 11 players in a team, then there will
be '11 + ***q***' players in ***'q'*** teams. **

** **

**3.
Draw the next two patterns and complete the table.**

** **

**4.
Use a variable to write the rule, which gives the number of ice candy sticks required
to make the following patterns.**

**(a)
a pattern of letter C as **

**(b)
a pattern of letter M as **

** **

** 5. The teacher forms groups of five students in
a class. How many students will be there in ‘p’ groups?**

**Answer:** = 5p

** **

**6.
Arivazhagan is 30 years younger to his father. Write Arivazhagan's age in terms
of his father's age.**

**Answer:** Arivazhagan’s age = n − 30

** **

**7.
If ‘u’ is an even number, how would you represent**

**(i)
the next even number? **

**(ii)
the previous even number? **

** **

__Objective
Type Questions__

** **

**8.
Variable means that it **

**(a)
can take only a few values**

**(b)
has a fixed value**

**(c)
can take different values **

**(d)
can take only 8 values**

**Answer: **(c) can take only a few values

** **

**9.
‘6y’ means **

**(a)
6 + ***y*

**(b)
6 – ***y*

**(c)
6 × ***y*

**(d)
6/ y**

**Answer: **(c) 6 × y

** **

**10.
Radha is ‘***x***’ years of age now. 4 years ago, her age was**

**(a)
***x*** − 4**

**(b)
4 – ***x*

**(c)
4 + x**

**(d)
4 x**

**Answer: **(a) *x* − 4

** **

**11.
The number of days in ‘***w***’ weeks is**

**(a)
30 + ***w*

**(b)
30***w*

**(c)
7 + w **

**(d)
7 w**

**Answer: **(d) 7w

** **

**12.
The value of ‘***x***’ in the circle is**

**(a)
6 **

**(b)
8**

**(c)
21 **

**(d)
22**

**Answer: **(d) 22

** **

__Answers:__

__Exercise 2.1__

**1) (i) Variables (ii) Different (iii) n **

**2) (i) False (ii) True (iii) False **

**3) **

**4) a) 3n b) 4n**

**5) 5p**

**6) Arivazhagan’s age is ‘n-30’**

**7) (i) u + 2 (ii) u – 2**

**Objective Type Questions**

**8) c) can take different values**

**9) c) 6 × y**

**10) a) x − 4**

**11) d) 7w**

**12) d) 22**

Tags : Questions with Answers, Solution | Introduction to Algebra | Term 1 Chapter 2 | 6th Maths , 6th Maths : Term 1 Unit 2 : Introduction To Algebra

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6th Maths : Term 1 Unit 2 : Introduction To Algebra : Exercise 2.1 | Questions with Answers, Solution | Introduction to Algebra | Term 1 Chapter 2 | 6th Maths

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