**TOPIC: INTEGERS**

**MCQ **

(1) Which of the following expressions is equal to 15________

a) (-7) + (-8) b) (-7) -(-8) c) -7 + (+8) d) 7 -(-8)

(2) (+5 x -3) x 2 = +5 x (-3 x 2) __________ property

a) closure b) associative c) commutative d) none of these

(3) The difference of the greatest negative integer and the smallest positive integer is _____

a) 0 b) +1 c) +2 d) -1

(4) 5 x 99 - (-5) =________ a) 5 b) 99 c) 500 d) 100

(5) Which of the integer -10, 7, 3, -2 is closest to zero

a) -10 b) 7 c) 3 d) -2

**FILL IN THE BLANKS ANSWER**

(6) (-3) + 5 = 5 + (-3) ,____________ property of addition.

(7) 10 -(-25) _______10 - (+25) insert the sign (< ,>,=)

(8) (-3) x (-4) x (-5) x (-1) = _______________

(9) (20) ÷ (-5)=________________

(10) 5 x 1 = 1 x 5 = 5 , 1 is called ____________(name the property).

** ANSWER THE FOLLOWING QUESTIONS**

(11) Simplify :

a) (-5) x (-5) x ( 5) b) (+2) x (-4) x (-5) x (-2) c) (+80) ÷ (- 4)

d) (-93) ÷ (+3) e) (-15) - (-27) + (-7) f) (-13) + (-5)

g) 18 x (-16) + 2 x (-16) h) 673 x 99 - (-673)

(12) I was 4km east of my home. Now I am 3km west of my home. How many kilometers did I travel.

(13) The day time maximum temperature in Delhi on a particular day was 33Oc. At night the temperature become 26O c. What is the rise in temperature from day time to night time ?

(14) Out of -7, -5, -3, 1, 4, 7 find a pair of integers whose sum is

a) -2 b) 2 c) 0

(15) Represent the following situations in integers.

a) A divers dives to a depth of 6 feet below the ground level.

b) An aero plane is flying at a height of two thousand four hundred meters above ground level

c) A gain of 60 points.

(16) Start with the integer 3 and subtract 10 .From the answer ,subtract 1. Then multiply the answer by -3 . Now subtract 20 from the answer. What do you get?

**Please click on below link to download CBSE Class 7 Mathematics Worksheet Set 6**