7th Standard Syllabus & Materials
7th Standard
TN 7th Tamil பருவம் -1 இயல் 1 - அமுதத்தமிழ் - ஒன்றல்ல இரண்டல்ல Important Questions And Answers Study Material - QB365 Set A
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TN 7th Tamil பருவம் -1 இயல் 1 - அமுதத்தமிழ் - எங்கள் தமிழ் Important Questions And Answers Study Material - QB365 Set A
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TN 7th English T1 - Poem - Your Space Important Questions And Answers Study Material - QB365 Set A
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TN 7th English T1 - Prose - A Prayer to the Teacher Important Questions And Answers Study Material - QB365 Set A
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TN 7th English T1 - Prose - The Wind on Haunted Hill Important Questions And Answers Study Material - QB365 Set A
Published on: 28/08/2019
Number System
Download Tamil Nadu 7th Standard Maths question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Maths Test1.
Which of the following expressions is equal to –30.
–20 – (–5 x 2)
(6 x 10) – (6 x 5)
(2 x 5) + (4 x 5)
(–6) x (+5)
2.
(-100) - 0 + 100 = _____
200
0
100
-200
3.
(-10) + ( +7)=____
+3
-3
-17
+17
4.
Identify the problem with negative numbers as its answer:
-9 + (-5) + 6
8 + (-12) - 6
-4 + 2 + 10
10 + 9 (-4) + 8
5.
The temperature at 12 noon at a certain place was 18° above zero. If it decreases at the rate of 3° per hour at what time it would be 12° below zero?
12 mid night
12 noon
10 am
10 pm
6.
(-52) + (-52) = ____
7.
(-5) + ____ = -100
8.
(−40) ÷____ = 40
9.
____\(\times \) 75 = 0
10.
_____\(\times \) (-9) = -45
11.
The sum of a positive integer and a negative integer is always a positive integer.
12.
(−64) ÷ (-64) is 0
13.
(−30) ÷ (−6) = −6
14.
8 x (−4) = 32
15.
(-100) x 0 x 20 = 0
16.
1 x (-1098) = (–1098) = (–1098) x 1
17.
For any two integers (−5) and 10
(−5) x 10 = 10 x (−5)
18.
0 + (−138) = (−138) = (−138)+0
19.
For any three integers 68, 25 and 99
68 x( 25 + 99) = ( 68 x 25 ) + ( 68 x 9)
20.
For any two integers 72 and 108, 72 +108 is an also an integer
1.
(d)
(–6) x (+5)
2.
(b)
0
3.
(b)
-3
4.
(a)
-9 + (-5) + 6
5.
(d)
10 pm
6.
( )
-104
7.
( )
-95
8.
( )
-1
9.
( )
0
10.
( )
5
11.
(b)
12.
(b)
13.
(b)
14.
(b)
15.
(a)
16.
Multiplicative identity
17.
Commutative property under multiplication.
18.
Additive identity
19.
Distributive property of multiplication over addition
20.
Closed under addition
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Tamilnadu Stateboard 7th Standard Subjects
Tamilnadu Stateboard Standards
