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#### Introduction To Algebra Important Questions

6th Standard

Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 50
5 x 1 = 5
1. 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

2. ‘6y’ means

(a)

6 + y

(b)

6 − y

(c)

6 × y

(d)

$\frac{6}{y}$

3. The number of days in ‘w’ weeks is

(a)

30 + w

(b)

30w

(c)

7 + w

(d)

7w

4. 6 less to ‘n’ gives 8 is represented as

(a)

n − 6 = 8

(b)

6 − n = 8

(c)

8 − n = 6

(d)

n − 8 = 6

5. The value of ‘c’ for which $\frac{3c}{4}$ gives 18 is

(a)

c = 15

(b)

c = 21

(c)

c = 24

(d)

c = 27

6. 5 x 1 = 5
7. The letters a, b, c, … x, y, z are used to represent______________.

()

Variables

8. A quantity that takes____________values is called a variable.

()

Different

9. If there are 5 students in a bench, then the number of students in ‘n’ benches is ‘5 × n’. Here_____________is a variable.

()

n

10. The algebraic statement of ‘f’ decreased by 5 is_________.

()

f - 5

11. The algebraic statement of ‘s’ divided by 5 is___________.

()

$\frac{s}{5}$

12. 5 x 1 = 5
13. 10 more to three times 'c' is '3c + 13'

(a) True
(b) False
14. If the cost of 10 rice bags is Rs. ‘t’, then the cost of 1 rice bag is Rs.$\frac{'t'}{10}.$

(a) True
(b) False
15. The statements ‘x’ divided by 3 and 3 divided by ‘x’ are the same.

(a) True
(b) False
16. The product of ‘q’ and 20 is '20q'.

(a) True
(b) False
17. 7 less to 7 times ‘y’ is '7 − 7y'.

(a) True
(b) False
18. 5 x 2 = 10
19. Express the following verbal statement to algebraic statement.
8 reduced by ‘y’.

20. Express the following verbal statement to algebraic statement.
56 added to 2 times ‘x’.

21. Express the following verbal statement to algebraic statement.
4 less to 9 times of ‘y’.

22. The teacher asked two students to write the algebraic statement for the verbal statement “8 more than a number”. Vetri wrote ‘8 + x’ but Maran wrote ‘8x’. Who gave the correct answer?

If ‘n’ takes the value 3 then find the value of ‘n + 10’?

24. 5 x 3 = 15
25. Express the following algebraic statement to verbal statement.
11 + 10x

26. Express the following algebraic statement to verbal statement.
70s

27. Gopal is 8 years younger to Karnan. If the sum of their ages is 30, how old is Karnan?

28. A piece of wire is '12 s' cm long. What will be length of the side if it is formed as
(i) an equilateral triangle.
(ii) a square?

29. Identify the value of the shapes and figures in the table given below the verify their addition horizontally and vertically

30. 2 x 5 = 10
31. Find the variables from the clues given below and solve the cross−word puzzle.

 Across Down x + 40 gives 100 x is 1005 multiplied by 6 7 reduced from t gives 31 t ÷ 7 = 5 z is 5 added 5 times p is the predecessor of first 3 digit number v is the whole number zero plus number of days in a year z is the number of weeks in a year (digits reversed) k is 24 added to 25 k is 11 times 4 u is 2 added to two times 11 gives the number of hours in a day u is product of 23 and 9 a is 20 more to 40 a is 4 added to the product of 12 and 5 s minus 1 gives 246 is the number of letters in Tamil language m is the successor of 9
32. Find the variables from the clues given below and solve the cross-word puzzle.