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Class 7 Optional Math

The document contains an optional math exam with 7 short questions worth 1 mark each, 5 short questions worth 2 marks each, and 2 long questions worth 4 marks each, for a total of 25 marks. It provides the questions for finding ordered pairs, sets, degrees of polynomials, solving equations and inequalities, writing number patterns, simplifying algebraic expressions, determining if lengths form a right triangle, solving systems of equations, geometry word problems, factorizing polynomials, and missing lengths in a figure.

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Kanaj Nam
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5K views1 page

Class 7 Optional Math

The document contains an optional math exam with 7 short questions worth 1 mark each, 5 short questions worth 2 marks each, and 2 long questions worth 4 marks each, for a total of 25 marks. It provides the questions for finding ordered pairs, sets, degrees of polynomials, solving equations and inequalities, writing number patterns, simplifying algebraic expressions, determining if lengths form a right triangle, solving systems of equations, geometry word problems, factorizing polynomials, and missing lengths in a figure.

Uploaded by

Kanaj Nam
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Class; 7(M+B)

Subject; Optional math

FM; 25 PM:10

Attempt all questions.

Very short question. (1x7= 7),

1) Are (4, 3) and (3, 4) equal ordered pairs and why?


2) A= {1, 2} B= {a, b} Find AXB.
3) state the degree of; 5x²y³z
4) Solve; 9√2+3√2
5) Write down the next two terms.
7, 10, 13, 16.... ……
6) Solve; (3m-2n) + (m +5n)
7) Are 5CM, 12CM and 15CM the sides of a right angled triangle?

Short questions. (2X5=10)

1) If (4x-2, 4) = (2x+8, 5y-9) Find the value of x and y.


2) A tree broke from a point but didn’t separate. Its top touched the ground at the distance of 12m from its
base. If the point where it broke is at the height of 9m from the ground. What is the total height of the
tree?
3) Solve.; √75 X √108
4) Write down the rule and three more terms.
1, 2, 4, 8….. ….. …..
5) Divide.27X6Y7Z5 + 36X5Y6Z6 – 45X4Y5Z7 by 9X4Y2Z4

Long Questions. (4X2=8)

1) Find the area of rectangle and evaluate it for X=2.

(X+5)

(3X-1)

2) Find the missing sides.

13cm
12cm
?
B C

3cm ?

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