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663 answers across CBSE, ICSE, and State boards — Class 1 to 12, every subject.

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MathematicsClass 6CBSE

2/3 of it is _____.

2/3 of it is 24.

MathematicsClass 6CBSE

1/2 of it is _____.

1/2 of it is 18.

MathematicsClass 6CBSE

Ramesh thinks of an integer. He subtracts 12 from it and gets the result as – 6. What was the integer he thought of?

The given sum can be written as under.(___) – (12) = – 6

MathematicsClass 6CBSE

Find the sum of the following integers:(a) (- 8) + (+ 5) + (- 3) + (- 2)(B) (- 7) + (- 9) + (+ 4) + (+ 3)

(a) (- 8) + (+ 5) + (- 3) + (- 2)= (- 8) + (+ 5) – (3 + 2)= (- 8) + (+ 5) – (5)= (- 8) + 0 = – 8 [ ∵ (+ a) + (- a) = 0](b) (- 7) + (- 9) + (+ 4) + (+ 3)= (- 7) + (- 9) + (4 + 3)= (- 7) + (- 9) + (+ 7)= (- 7) + (+ 7) + (- 9)= 0 + (- 9) = – 9 [ ∵ (- a) + (+ a) = 0]

MathematicsClass 6CBSE

Write the following integers in their increasing order.– 3, 0, – 6, 5, – 4, 6, 3, – 8

The required increasing order is:– 8, – 6, – 4, – 3, 0, 3, 5, 6

MathematicsClass 6CBSE

What is the additive identity of – 20?

Additive identity of – 20 is 20.

MathematicsClass 6CBSE

Identify the negative integers from the given numbers.– 5, 3, 0, 5, – 6, 7, 3, 4, – 4, – 7

Negative integers are – 5, – 6, – 4 and – 7 .

MathematicsClass 6CBSE

The temperature on a certain morning is -11℃ at 5 a. m. If the temperature drops 3 degree at 6 a.m. and rises 5 degree at 8 a.m. and again drops 3 degree at 9 a.m. What is the temperature at 9 a.m.?

Temperature at 5 a.m. = -11℃Temperature decreased at 6 a.m. = 3℃ = -3Temperature raised at 8 a.m. = 5℃ = +5Temperature decreased at 9 a.m. = 3℃ = -3Final temperature at 9 a.m. = (-11) + (-3) + (+5) + (-3)= -11 - 3 + 5 - 3= -17 + 5= -12℃.

MathematicsClass 6CBSE

Using number line, add the following integers: 9 + (-6).

On the number line we first move 9 steps to the right from 0 reaching 9 and then we move 6 steps to the left of 9 and reach 3.Thus, 9 + (-6) = 3

MathematicsClass 6CBSE

Find the value of:(-7) + (-9) + 4 + 16

(-7) + (-9) + 4 + 16= (-16) + 20= (-16) + 16 + 4= 0 + 4 = 4

MathematicsClass 6CBSE

Subtract: (-20) - (-13)

(-20) - (-13)= (-20) + (additive inverse of -13)= (-20) + (13) = -7

MathematicsClass 6CBSE

Find the solution of the following:(-9) + (+13)

(-9) + (+13)= (-9) + (+9) + (+4)= 0 + (+4) = +4

MathematicsClass 6CBSE

Write all the integers between -8 and -15. (Write them in the increasing order.)

The integers between -8 and -15 in increasing order are -14, -13, -12, -11, -10 and -9.

MathematicsClass 6CBSE

Write four negative integers less than -20.

Four negative integers less than -20 are -21, -22, -23 and -24.

MathematicsClass 6CBSE

The sum of positive and negative integers is always negative.

False

MathematicsClass 6CBSE

The negative of 0 is -0.

False. zero is neither negative nor positive

MathematicsClass 6CBSE

If the sum of an integer and its opposite is zero, then they are called additive inverses of each other.

True

MathematicsClass 6CBSE

If a and b are any two integers such that a > b, then -a > – b.

False

MathematicsClass 6CBSE

15 + _____ =0

15 + -15 =0

MathematicsClass 6CBSE

272 - 198 - ______ = 0.

272 - 198 - 74 = 0

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