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This math worksheet contains 20 problems about rational numbers. It covers topics like finding negative rational numbers, determining if statements about rational numbers are true or false, writing rational numbers in equivalent forms and standard form, simplifying expressions with rational numbers, and performing operations like addition, subtraction, multiplication, and division on rational numbers. The final problems ask students to find missing terms, products, sums, differences and reciprocals involving rational numbers.

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686 views8 pages

Worksheet

This math worksheet contains 20 problems about rational numbers. It covers topics like finding negative rational numbers, determining if statements about rational numbers are true or false, writing rational numbers in equivalent forms and standard form, simplifying expressions with rational numbers, and performing operations like addition, subtraction, multiplication, and division on rational numbers. The final problems ask students to find missing terms, products, sums, differences and reciprocals involving rational numbers.

Uploaded by

demo 080008
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Maths worksheet

Rational numbers

1. Find out the negative rational number.

a) -3⁄5                     b) 5⁄3
c) 1                        d) None of these

2. Every integer is a rational number.

a) True                    b) False

3. Find the equivalent rational number of 51⁄2.

a) 2⁄5                    b) 5⁄9
c) 22⁄4                   d) None of these

4. Write 3⁄-8 as a positive denominator. _____________

5. Write the standard form of 22⁄4.

6. Express -247⁄228 in standard form.

7. Simplify 7⁄-27 + 11⁄18.

8. Simplify 9⁄-16 + -5⁄-12.

9. Simplify -7⁄12 + 9⁄-20.
10. Multiply 12 × -3⁄4.

11. Multiply 20 × -3⁄4.

12. Simplify 12 ÷ -4⁄3 + 6⁄4.

13. Add 10 and (-3⁄2).

14. What should be added to -12⁄5 to get 3?

15. What should be subtracted -3⁄4 from to get 5⁄6?

16. What should be added to 4⁄-5 to get 9?


17. What should be subtracted -3⁄4 from to get 1?

18. −12 ÷ 5⁄4 = _____.

19. What should be added to -3⁄8 to get 5⁄12?

20. −14 ÷ -7⁄6 = _____.

1. -3⁄8 × 0 = _____.

2. 2⁄3 × 5⁄7 = _____.

3. Find the additive inverse of −9? _______

4. The sum of two rational number is -3⁄8. If one number is 3⁄16, then find the
other one.
5. What should be added to -5⁄7 to get 2⁄3?

6. The product of two rational number is 10. If one of the numbers is −8, then
find the other.

7. By what number should -44⁄9 divided to get -11⁄3?

8. Find the multiplicative inverse of 13⁄25? ___________

9. What is the reciprocal of 1? ________________

10. What is the reciprocal of −1? ________________

11. _____ ÷ 2⁄3 = 7⁄10

12. −21⁄9 − 6 = _____.


13. Find the cost of 3metres of cloth at rupees 401⁄2 per meter?

14. A bike is moving at an average speed of 6⁄5 km/h. How much distance it


will cover in 5⁄2 hour?

15. Simplify (-12⁄7 × -14⁄27) − (-8⁄45 × 9⁄16).

16. compare 5⁄9 ____ -3⁄-8.

17. Find the sum -5⁄9 + -4⁄5.

18. Subtract 2⁄3 from 4⁄9.

19. 3⁄4 = ?⁄-24.

20. 21⁄3 + 43⁄5 = _____.

1. What is the reciprocal of −18? __________

2. _____ ÷ 2⁄3 = 7⁄20.
3. − 21⁄9 − 6 =?

4. Find the cost of 6 meters of cloth at rupees 181⁄2 per meter?

5. A bike is moving at an average speed of 7⁄25 km per hour. How much


distance it will cover in 5 hours?

6. Simplify (-12⁄7 × -56⁄27) − (-8⁄45 × 5⁄24).

7. Find out the negative rational number.

a) 1                  b) -33⁄9
c) 0                  d) 1⁄2

8. Every positive rational number is greater than 0. Mark True / False.

a) True                    b) False

9. Find the equivalent rational number of 38⁄25.

a) 22⁄4                    b) -13⁄8
c) 166⁄50                 d) None of these

10. Write 5⁄-9 as a positive denominator.

11. Write the standard form of 64⁄44.


12. Express 5555⁄3333 in standard form.

13. Simplify 7⁄-27 + 11⁄18.

14. Simplify 9⁄-16 + -5⁄-12.

15. -3⁄8 × 0 = _____.

16. 2⁄3 × 5⁄7 = _____.

17. Find the additive inverse of 21⁄3. ____________

18. The sum of two rational number is -3⁄8. If one number is 3⁄163, then find
the other.

19. What should be added to -7⁄8 to get 4⁄9?

20. The product of two rational number is 10. If one numbers is −8, then find
the other.

Science worksheet

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