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Grade 7 Mathematics Quiz: Understanding Rational Numbers

Instructions:


  1. What is the result of adding -3 and 7?

  2. If you subtract 4.2 from -1.5, what is the result?

  3. Multiply -6 by -3. What is the product?

  4. If you divide -10 by 2, what is the quotient?

  5. Express the following as a rational number: 0.75

  6. What is the absolute value of -12?

  7. Calculate the sum of -15 and 9.

  8. When you add two negative numbers, is the result negative, zero, or positive? Explain your reasoning.

  9. Sarah has a bank balance of -$200. If she deposits $150, what will her new balance be?

  10. What happens when you multiply a positive rational number by a negative rational number? Provide an example to support your answer.

  11. Find the difference between 5 and -3.

  12. If the quotient of two rational numbers is -2, and one of them is 6, what is the other rational number?

  13. When you subtract a positive integer from a negative integer, what is the sign of the result? Justify your answer.

  14. Simplify the expression: -3 + (-7) + 5.

  15. If -8 is divided by a rational number and the result is 4, what is the rational number?

  16. How is the sum of a rational and an irrational number classified? Provide an example.

  17. Does the product of two negative rational numbers always result in a positive number? Provide reasoning.

  18. Find the product of -1.5 and 2. What is the value?

  19. If the absolute value of x is 7, what are the possible values of x?

  20. In a number line, where would -7 be located in relation to 0?

  21. If you decrease -5 by 3, what is the result?

  22. Explain why the sum of two rational numbers is always a rational number.

  23. Calculate: -9 - (-4).

  24. If you have a temperature of -4 degrees and it rises by 6 degrees, what is the new temperature?

  25. What is the result of -3 × (-4) - 2?

  26. If -15 is divided by a negative number and the result is a positive number, what can you say about the negative number?

  27. Write a mathematical expression to represent the scenario: "You owe $50 and I give you $20."

  28. How would you describe the process of adding rational numbers with different signs? Provide an example.

  29. Solve the equation: -2x = 10 for x.

  30. If you divide -30 by -5, what is the outcome?


Conclusion

Make sure to review your answers before submitting the quiz! Good luck!