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Give two counter examples to show: a. su...

Give two counter examples to show: a. subtraction is not commutative for integers. b. subtraction is not associative for integers.

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  1. Is there an integer which is its own additive inverse?

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  2. Raman owed 20 candies to his friend. When he started from his home, he...

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  3. Give two counter examples to show: a. subtraction is not commutative f...

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  4. Write a pair of positive integers, a pair of negative integers, one po...

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  5. The sum of two integers is -95. If one of the integers is 15, find the...

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  6. A bag had 20 coloured pencil. A few were lost. Thereafter, 8 more penc...

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  7. Verify the result by performing the addition on a number line: a. (-5)...

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  8. Evaluate: a. 23 times (-16)" b. "(-362) times 274

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  9. Verify: (243) times (-51)=(-243) times 51

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  10. Starting from (-5) times 4, find (-5) times (-3).

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  11. Evaluate: a. 18 times (-3)" b. "(-6) times 40 " c....

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  12. Find the integer whose product with -1 is: a. 42 " b. "-122" c. ...

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  13. What will be the sign of the product if we multiply: five positive a...

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  14. What will be the sign of the product if we multiply: six positive an...

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  15. What will be the sign of the product if we multiply: (-1) ten times?

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  16. What will be the sign of the product if we multiply: (-1) thirteen t...

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  17. Nita starts with the number 27 and keeps subtracting 6 from it. Find t...

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  18. Evaluate: (-12) times (-4) times (-1)

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  19. Evaluate: (-5) times (-20) times (-12) times (-1)

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  20. Evaluate: (-7) times (0) times (-12)

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