Class-7 Math's - Integers (Part 1)

#1. Select Natural Number

.......-3, -2, -1, 0, +1, +2, +3, .....

0, +1, +2, +3, .....

-1, 0, +1, +2, +3, .....

......-3, -2, -1

0, 1, 2, 3........

1, 2, 3, .......

#2. Select Whole Number

0,1,2,3.....

1,2,3......

-3,-2,-1,0,+1,+2,+3

-3,-2,-1,+1,+2,+3

#3. Select Integers

1,2,3,.....

0,1,2,3,....

....-2, -1, 0, +1, +2.....

-3, -2, -1, +1, +2, +3.....

#4. sum of two whole number will be ……

whole number

Integers

Natural Number

#5. Addition of two integers will be …..

Integers

Natural number

Whole number

#6. Subtraction of two integers will be …..

whole number

Integers

Natural Number

#7. Select right sign ( – 3 )+ ( – 2 ) ………. – 4 – ( – 6 )

>

<

=

#8. fill in the blank [ 18 + ( – 11 ) ] + ( ……. ) = 19 + [ ( – 8 ) + ( – 7 ) ]

-3

3

-1

11

-11

#9. 3 x ( – 1 ) x 5 x 0 = …..

0

15

3

5

#10. 3 x ( – 1 ) x 1 x ( – 1 ) x ( – 1 ) x ( – 2) = ………

6

8

-4

4

#11. a x ( b – c ) = a x b – a x c

True

False

#12. a x (b + c ) = a x b – a x c

True

False

#13. (a x b) x c = a x (b x c)

True

False

#14. a x 1 = 1 x a

True

False

#15. a x b x 0 = 0 x b x a = a x b

True

False

#16. a x b = b x a x 1 x 1 x 1

True

False

#17. if a and b is integer then a x b will be

Integer

whole number

natural number

#18. (- a ) x (- b ) = b x a x 1 True or False

True

False

#19. a x (- b) = (- a ) x b x 1 x 1 True or False

True

False

#20. a + 0 +1 – 1 = a x 1 True or False

True

False

#21. a + ( b + c ) = (a + b ) + c + 0

true

false

#22. a ÷ ( – b ) = ( – a ) ÷ b is true if

a=0

b=0

a ≠ 0

b ≠ 0

#23. 64 ÷ ( – 8 ) =

-8

8

4

16

#24. ( – 64 ) ÷ ( – 8 ) =

8

-8

0

4

#25. ( – 64 ) ÷ 8 =

-8

8

0

16

#26. 0 ÷ ( – 8 ) =

0

8

1

-8

8

#27. …….. ÷ ( – 76 ) = 1

-76

76

1

-1

#28. ( – 76 ) ÷ ………. = -76

1

76

-76

-1