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Important Questions for Class 6 Maths algebra -1



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In this page we have Important Questions for Class 6 Maths algebra -1 . Hope you like them and do not forget to like , social share and comment at the end of the page.
Question 1
Give expressions for the following cases.
(a) 71 added to m
(b) 99 subtracted from m
(c) n multiplied by 8
(d) p divided by 10
(e) 11 subtracted from − x (f) − y multiplied by 1
(g) − x divided by 11
(h) z multiplied by – 5
Question 2
Which out of the following are expressions with both variable and numbers only?
(a) p -9
 (b) (11 × 20) – 8x
(c) 5 (21 − 7) + 7 × 2+p
 (d) 1
(e) 11x-1 (f) 5 +4+3+2+1
(g) (7 × 8) − (8 × 7) − 45 +11x
i) 2 times z from which 11 is subtracted
Question 3
Get the algebraic expressions in the following cases using variables, constants and arithmetic operations.
(i) Subtraction of z from y.
(ii) One-half of the sum of numbers a and b.
(iii) The number y multiplied by itself.
(iv) One-Eighted of the product of numbers x and y.
(v) Numbers p , q and r  both squared and added.
(vi) Number 5 added to three times the product of number m and n.
(vii) Product of numbers y and z subtracted from 10.
(viii)Sum of numbers and y subtracted from their product.
Question 4
(a) Complete the table and by inspection of the table, find the solution to the equation x -11 = 6
x
11
12
13
14
15
16
17
18
19
20

- 11











(b) Complete the table and by inspection of the table, find the solution to the equation 2z = 44
z
14
15
16
17
18
19
20
21
22

2z










(c) Complete the table and find the solution of the equation z/5 = 6 using the table.
z
5
10
15
20
25
30
35
40
45

z/5
1
2
3







Question 5
Complete the entries in the third column of the table.
S. No.
Equation
Value of variable
Equation satisfied Yes/No
(a)
y/11 = 4
y = 44
-
(b)
y/11 = 4
y = 33
-
(c)
y/11 = 4
y = 22
-
(d)
4l+2 = 22
l = 20
-
(e)
4l +2= 22
l = 80
-
(f)
4l +2= 22
l = 5
-
(g)
n + 20 = 29
b =5
-
(h)
n + 20 = 29
b = 9
-
(i)
n + 20 = 29
b = 4
-
(j)
x − 8 = 11
x = 13
-
(k)
x − 8 = 11
X = 19
-
(l)
x − 8 = 11
x = 0
-
(m)
q + 3 = 0
p = -3
-
(n)
q + 3 = 0
p = 1
-
(o)
q + 3 = 0
p = 0
-
(p)
q + 3 = 0
P = − 1
-
(q)
q + 3 = 0
P = − 2
-



Answer
1)
a)m+71
b)m-99
c) 8n
d) p/10
e) -x-11
f) -y
g)-x/11
h)-5z
i) 2z-11
2) Both number and variable expression are a,b,c,e,g
3)
i) y-z
ii) (1/2)(a+b)
iii) y2
iv) xy/8
v)
p2 + q2 +r2
vi)3mn+5
vii) 10-yz
viii) xy –(x+y)

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