Question 511 Mark
Fill in the blanks: $72 ÷ ($_____$) = -4$
Answer$72 ÷ (-18)= -4$
$\Rightarrow 72 ÷ (-4) = -18 72 ÷ (-18) = -4$
View full question & answer→Question 521 Mark
Write $‘T’$ for true and $‘F’$ for false for each of the following: $(-36) ÷ (-1) = 36$
View full question & answer→Question 531 Mark
Multiply: $16$ by $9$
Answer$16 \times 9 = 144$
View full question & answer→Question 541 Mark
Fill in the blanks:
$(-6) \times ($____$) = 6$
Answer$(-6) \times (x) = 6$
$\text{x}=\frac{6}{-6}$
$x = -1$
Thus, $x = (-1)$
View full question & answer→Question 551 Mark
Evaluate:
$(-32) + 47$
View full question & answer→Question 561 Mark
Find the additive inverse of: $-2001$
AnswerAdditive inverse of $2001 = -(-2001) = 2001$
View full question & answer→Question 571 Mark
Find the sum of:
$153$ and $-302$
Answer$153 + (-302) = -149$
View full question & answer→Question 581 Mark
Subtract:
$-66$ from $-34$
Answer$-34 - (-66) = -34 + 66 = 32$
View full question & answer→Question 591 Mark
Fill in the blanks: $(-5) \times ($___$) = 0$
Answer$0$ [Property of zero]
View full question & answer→Question 601 Mark
Write a pair of integers whose sum gives:
An integer smaller than only one of the integers.
AnswerConsider the integers $7$ and $-4.$ Then, we have: $7 + (-4) = 3$, which is smaller than $7$ only.
View full question & answer→Question 611 Mark
In a class test containing $10$ questions, $5$ marks are awarded for every correct answer and $(-2)$ marks are awarded for every incorrect answer and $0$ for each question not attempted.
Reenu gets $5$ correct and $5$ Incorrect answers. What Is he score?
AnswerReenu’s score $= 5 \times 5 + 5 \times (-2)$
$= 25 - 10 = 15$
View full question & answer→Question 621 Mark
Fill in the blanks: $(-18) \times ($_____$) = (-18)$
Answer$1$ [Multiplicative identity]
View full question & answer→Question 631 Mark
Evaluate: $(-48) + (-36)$
Answer$(-48) + (-36) = -84$
View full question & answer→Question 641 Mark
Find the additive inverse of: $0$
AnswerAdditive inverse of $0 = -(0) = 0$
View full question & answer→MCQ 651 Mark
$(-37) \times (-7) + (-37) \times (-3) = ?$
- ✓
$370$
- B
$-370$
- C
$148$
- D
$-148$
Answer$= (-37) \times (-7) + (-37) \times (-3)$
$= (-37) \times [(-7) + (-3)]$ [Associative property]
$= (-37) \times (-10)$
$= 370$
View full question & answer→Question 661 Mark
Divide: $-63$ by $63$
Answer$-63$ by $63 = -63 ÷ 63 = -1$
View full question & answer→Question 671 Mark
Fill in the blanks: $(-68) + (-76) = (……….) + (-68)$
Answer$-76$ (Commutative property)
View full question & answer→Question 681 Mark
Fill in the blanks: (_____) $÷ 1 = -37$
Answer$(-37) + 1 = 37 $
$\Rightarrow (-37) \times 1 = -37 (-37) ÷ 1 = -37$
View full question & answer→Question 691 Mark
Fill in the blanks: $(-119) ÷ 17 = ($___$)$
Answer$(-119) ÷ 17 = (-7)$
View full question & answer→Question 701 Mark
Which of the following statements are true and which are false? Multiplication on integers is associative.
AnswerTrue
$(a \times b) \times c = a \times (b \times c)$
View full question & answer→Question 711 Mark
Subtract:
$-153$ from $-240$
Answer$(-240) - (-153) = -87$
View full question & answer→Question 721 Mark
In a class test containing $10$ questions, $5$ marks are awarded for every correct answer and $(-2)$ marks are awarded for every incorrect answer and $0$ for each question not attempted. Ravi gets $4$ correct and $6$ incorrect answers. What is his score? Oil
AnswerWe have $5$ marks for correct answer and $(-2)$ marks for an incorrect answer.
Now, we have the following: Ravi’s score $= 4 \times 5 + 6 \times (-2) = 20 + (-12) = 8$
View full question & answer→Question 731 Mark
Evaluate: $15 + (-8)$
View full question & answer→Question 741 Mark
Fill in the blanks: $53 + (-37) = (-37) + (……….)$
Answer$53$ (Commutative property)
View full question & answer→Question 751 Mark
Fill in the blanks: $($_____$) + (-1) = 36$
Answer$(36) ÷ (-1) = 36 $
$\Rightarrow 36 \times (-1) = -36 (-36) ÷ (-1) = 36$
View full question & answer→Question 761 Mark
Multiply: $-35$ by $0$
Answer$(-35) \times 0 = 0$
View full question & answer→Question 771 Mark
Simplify: $(-13 - (-27)) + (-25 - (-40))$
Answer$= (-13 + 27) + (-25 + 40) = 14 + 15 = 29$
View full question & answer→Question 781 Mark
Write $(T)$ for true and $(F)$ for false for the following statements: $(-6) ÷ 0 = 0$
AnswerFalse
As division by zero is not meaning full.
View full question & answer→Question 791 Mark
Multiply: $-53$ by $18$
Answer$(-53) \times 18 = -(53 \times 18) = -954$
View full question & answer→Question 801 Mark
Evaluate: $(-5) \times (-5) \times (-5) ........$ taken $5$ times.
View full question & answer→Question 811 Mark
Fill in the blanks: $($_____$) ÷ 25 = 0$
Answer$(0) ÷ 25 = 0 (0) ÷ 25 = 0 {0 ÷ a = 0}$
View full question & answer→Question 821 Mark
Find each of the following products: $(-6) \times 6 \times (-10)$
Answer$(-6) \times 6 \times (-10) = 6 \times (60) = 360$
View full question & answer→Question 831 Mark
Divide: $-72$ by $-18$
Answer$-72$ by $-18 = -72 ÷ (-18)$
View full question & answer→Question 841 Mark
Fill in the blanks: $7 \times (-3) = (-3) \times ($____$)$
Answer$7$ [Commutative law]
View full question & answer→Question 851 Mark
Which of the following statements are true and which are false? Multiplication on integers is commutative.
AnswerTrue
$a \times b = b \times a$
View full question & answer→Question 861 Mark
Subtract: $-64$ from $0$
Answer$0 - (-64) = 0 + 64 = 64$
View full question & answer→Question 871 Mark
In a class test containing $10$ questions, $5$ marks are awarded for every correct answer and $(-2)$ marks are awarded for every incorrect answer and $0$ for each question not attempted.
Reenu gets $5$ correct and $5$ Incorrect answers. What Is he score?
AnswerHeena’s score $= 2 \times 5+ 5 \times (-2)$
$= 10 - 10 = 0$
View full question & answer→Question 881 Mark
Subtract: $-37$ from $-53$
Answer$-53 - (-37) = (-53) - (-37) = -16$
View full question & answer→Question 891 Mark
Multiply: $-28$ by $-1$
Answer$(-105) \times (-8) = 840$
View full question & answer→Question 901 Mark
Write a pair of integers whose sum gives:
A negative integer;
AnswerConsider the integers $2$ and $(-9)$.
Then, we have: $2 + (-9) = -7$, which is a negative integer.
View full question & answer→MCQ 911 Mark
$(?) + (-18) = -6$
Answer$(108) + (-18) = -6$
View full question & answer→Question 921 Mark
Multiply: $-28$ by $14$
Answer$(-28) \times 14 = -(28 \times 14) = -392$
View full question & answer→Question 931 Mark
Subtract:
$28$ from $-42$
Answer$-42 - 28 = (-42) + (-28) = -70$
View full question & answer→MCQ 941 Mark
$(-25) \times 8 + (-25) \times 2 = ?$
- A
$250$
- B
$150$
- ✓
$-250$
- D
$-150$
AnswerCorrect option: C. $-250$
$= (-25) \times 8 + (-25) \times 2$
$= (-25) \times (8 + 2)$ [Associative property]
$= (-25) \times 10 = -250$
View full question & answer→Question 951 Mark
Evaluate: $(-6) \times (-15) \times (-5)$
View full question & answer→Question 961 Mark
Fill in the blanks: $(-72) + (……..) = -72$
Answer$0$ (Additive identity)
View full question & answer→Question 971 Mark
Which of the following statements are true and which are false? Every integer when multiplied with $-1$ gives its multiplicative inverse.
AnswerFalse.
$a \times (-1) = -a$, which is not the multiplicative inverse of $a$.
View full question & answer→Question 981 Mark
Write $(T)$ for true and $(F)$ for false for the following statements: $(-8) ÷ 1 = -8$
AnswerTrue
As $-a ÷ 1 = -a$
View full question & answer→Question 991 Mark
Write $‘T’$ for true and $‘F’$ for false for each of the following: $(-52) ÷ 13 = -4$
View full question & answer→Question 1001 Mark
Multiply: $36$ by $-11$
Answer$36 \times (-11) = -(36 \times 11) = -396$
View full question & answer→