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Class 7 · Mathematics · 10 Aug 2026Print Preview
Class 7 · Mathematics · 10 Aug 2026
Max marks: 10
Grade Class 7 · Mathematics · 5 questions
NameClassDate
1.
Which of the following is equivalent to $49x^2 - 64y^2$ when factored or expanded using identities?
[2 marks]
(a) $(7x - 8y)^2$
(b) $(7x + 8y)(7x - 8y)$
(c) $(49x - 8y)(x + 8y)$
(d) $(7x + 8y)^2$
2.
Match the squared expressions with their correct expansions.
[3 marks]
Column A
Column B
1. (p + 2)²
a. p² + 4p + 4
2. (p - 1)²
b. p² - 2p + 1
3. (p + 3)²
c. p² + 6p + 9
Answer
3.
The longest chord of a circle is known as its _____.
[1 mark]
4.
Define the term 'circumference' in the context of a circular running track at a school sports ground in Delhi.
[1 mark]
5.
Rahul is designing a square garden plot in his school in Jaipur. The side length of the garden is $(x + 4)$ metres. Use an algebraic identity to find the total area of the garden in terms of $x$.