13, ఫిబ్రవరి 2015, శుక్రవారం

216/8. Mallapragada's Mathematics (7th Standared)

1. (-1) x (-1) =………………


2. (-1) x (-1)x (-1) =………………


3. (-1) x (-1)x (-1)x (-1) =………………


4. (-1) x (-1)x (-1)x (-1) x (-1) =………………


5. (-3)x(-4)x(-5) x(-6) x (7) =……………………..


6. (-20) x (-10) x (-100) = ……………………………


7. ………….. x (-20) = -200


8. (-136)/4 and 136/-4  = ………………………..


9. For any integer a, what is (-1) x a a equal to ?.........


10. Determine the integer whose product with(-1) is 5…


 11. 625 x (35)+(-625)x65 =…………………


12. 100/0 = …………………………


13. 13-12-15+16+8 =………………


14. Solve 5/0 and 0/-5 ……………..


15. difference between -5 and 5 is …………..


16. p + q =q + p, This property is called -------


17. If a again of Rs. 20 is denoted by +20, then a loss of Rs. 10 loss denoted by ------------


18. (pxq)xr = px(qxr) is called ---------------------


19. The product of even number of negative integers is …………


20. The temperature of Hyderabad in December is 180 less then zero. This is denoted by  …………………..  

21.Fill the grid by multiplying each number in the first column with each number in the first row.

X
3
2
1
0
-1
-2
-3
3
9
6
3
0
-3
-6
-9
2







1







0







-1







-2







-3







 



















Om Sri Ram     Om Sri Ram        Om Sri Ram            
                     

1. (-1) x (-1) =   1


2. (-1) x (-1)x (-1) =  -1


3. (-1) x (-1)x (-1)x (-1) =   1


4. (-1) x (-1)x (-1)x (-1) x (-1) = -1


5. (-3)x(-4)x(-5) x(-6) x (7) =   2520


6. (-20) x (-10) x (-100) =  - 20000


7.   10 x (-20) = -200


8. (-136)/4 and 136/-4  = -34 and -34


9. For any integer a, what is (-1) x a a equal to ? -a


10. Determine the integer whose product with(-1) is 5 =-5x-1=5


 11. 625 x (35)+(-625)x65 = 21875 – 21875 =0


12. 100/0 = cannot determaine


13. 13-12-15+16+8 = 10


14. Solve 5/0 and 0/-5 = cannot determaine  and   0


15. difference between -5 and 5 is = -10,


16. p + q =q + p, This property is called = Commutative


17. If a again of Rs. 20 is denoted by +20, then a loss of Rs. 10 loss 
denoted by   -10


18. (pxq)xr = px(qxr) is called = Associative property


19. The product of even number of negative integers is positive


20. The temperature of Hyderabad in December is 180 less then zero. This is denoted by    -18


21.Fill the grid by multiplying each number in the first column with each number in the first row.

X
3
2
1
0
-1
-2
-3
3
9
6
3
0
-3
-6
-9
2
6
4
2
0
-2
-4
6
1
3
2
1
0
-1
-2
-3
0
0
0
0
0
0
0
0
-1
-3
-2
-1
0
1
2
3
-2
-6
-4
-2
0
2
4
6
3
-9
-6
-3
0
3
6
9