7th Mathematics Weekly Test - 1 (Number System) Question paper for Tamilnadu Stateboard / Matriculation Schools , Coaching Centers, tuition, tutorials,teachers, Students, parents

Part - A

Multiple Choice Question - Answer All Question

(−200)÷10is

20
-20
-190
210

(-2)×−(-9)=_____

108
-108
+1
-1

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)

(-10)+(+7)=____

+3
-3
-17
+17

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

11×(–1)=_____

-1
0
+1
–11

(-15)-(-18)=____

23
-13
13
-23

(−16)÷4 is the same as

-(-16÷4)
−(16)÷(-4)
16÷(-4)
−4÷16

Part - B

True or False - Answer All Question

(ii) 15-(-18) is the same as 15+18

True
False

Say true or false
(I) (−30)÷(−6) =−6

True
False

The quotient of two integers having opposite sign is a negative integer.

True
False

(−90)+( −30) = 60

True
False

(i) The additive inverse of (–32) is (–32)
(II) (−90)+( −30) = 60
(III) (−125)+25 = −100

True
False

Part - C

Generic 2 - Answer All Question

What number should be added to (–17) to get (–19)?

In a quiz competition, Team
A scored +30,–20, 0 and team B scored –20, 0, +30 in three successive rounds. Which team will win? Can we say that we can add integers in any order?

Find all possible pairs of integers that give a product of −50.

Find 5 pairs of integers that add up to 2.

What will be the sign of the product of the following.
(i)16 times of negative integer.
(ii)29 times of negative integer

Part - D

Generic 3 - Answer All Question

A submarine is at 32 feet below the sea level. Then it moves up 8 feet. Find the depth of the submarine.

Find the value of :
(i) (-35)\(\times \) (-11) (ii) 96\(\times \)(-20) (iii) (-5)\(\times \)12 (iv) 15\(\times \) 5 (v) 999\(\times \)0

Divide: (i) (−85) by 5 (ii) (–250) by (–25) (iii) 120 by (–6) (iv) 182 by (–2)

Add the following integers using number line (i) 10 and –15 (ii) –7 and –9
Sita saved ` 225.00 and she has spent ` 400 on credit basis for the purchase of stationery. Find her due amount.

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12th Standard English Medium

12th Standard Tamil Medium

11th Standard English Medium

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Class XI

12Th Standard

11Th Standard

10Th Standard

9Th Standard

7th Mathematics Weekly Test - 1 (Number System)

MABS Institution

7th Mathematics Weekly Test - 1 (Number System)-Aug 2020

Part - A

Multiple Choice Question - Answer All Question

(−200)÷10is

(-2)×−(-9)=_____

Which of the following expressions is equal to –30.

(-10)+(+7)=____

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?

11×(–1)=_____

(-15)-(-18)=____

(−16)÷4 is the same as

Part - B

True or False - Answer All Question

(ii) 15-(-18) is the same as 15+18

Say true or false (I) (−30)÷(−6) =−6

The quotient of two integers having opposite sign is a negative integer.

(−90)+( −30) = 60

(i) The additive inverse of (–32) is (–32) (II) (−90)+( −30) = 60 (III) (−125)+25 = −100

Part - C

Generic 2 - Answer All Question

What number should be added to (–17) to get (–19)?

In a quiz competition, Team A scored +30,–20, 0 and team B scored –20, 0, +30 in three successive rounds. Which team will win? Can we say that we can add integers in any order?

Find all possible pairs of integers that give a product of −50.

Find 5 pairs of integers that add up to 2.

What will be the sign of the product of the following. (i)16 times of negative integer. (ii)29 times of negative integer

Part - D

Generic 3 - Answer All Question

A submarine is at 32 feet below the sea level. Then it moves up 8 feet. Find the depth of the submarine.

Find the value of : (i) (-35)\(\times \) (-11) (ii) 96\(\times \)(-20) (iii) (-5)\(\times \)12 (iv) 15\(\times \) 5 (v) 999\(\times \)0

Divide: (i) (−85) by 5 (ii) (–250) by (–25) (iii) 120 by (–6) (iv) 182 by (–2)

Add the following integers using number line (i) 10 and –15 (ii) –7 and –9

Sita saved ` 225.00 and she has spent ` 400 on credit basis for the purchase of stationery. Find her due amount.

Part - E

Generic 5 - Answer All Question

What is the balance in Chezhiyan’s account as a result of a purchase for ₹ 1079, if he had an opening balance of ₹ 5000 in his account?

Prove that [(–2) × 3] ×(–4) = (–2) ×[3×(–4)].

Find the value of :(i) (-11) - (-33) (ii) (-90)-(-50)

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Tamilnadu Stateboardszs - Class

Say true or false
(I) (−30)÷(−6) =−6

(i) The additive inverse of (–32) is (–32)
(II) (−90)+( −30) = 60
(III) (−125)+25 = −100

In a quiz competition, Team
A scored +30,–20, 0 and team B scored –20, 0, +30 in three successive rounds. Which team will win? Can we say that we can add integers in any order?

What will be the sign of the product of the following.
(i)16 times of negative integer.
(ii)29 times of negative integer

Find the value of :
(i) (-35)\(\times \) (-11) (ii) 96\(\times \)(-20) (iii) (-5)\(\times \)12 (iv) 15\(\times \) 5 (v) 999\(\times \)0