Operations with Rational Numbers
A Grade 9 math worksheet focusing on addition, subtraction, multiplication, and division of rational numbers.
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Operations with Rational Numbers
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Date:
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Read each question carefully and perform the indicated operations with rational numbers. Show all your work.
1. A rational number can be expressed as a , where p and q are integers and q is not equal to zero.
2. When adding or subtracting rational numbers with different denominators, you must first find a .
3. Which of the following is an irrational number?
0.75
-5
√2
1/3
4. What is the product of -2/3 and 3/4?
-1/2
1/2
-1/4
1/4
5. Add: 3/5 + (-1/4)
6. Subtract: 7/8 - 1/3
7. Divide: -5/6 ÷ 2/3
8. The sum of two rational numbers is always a rational number.
True
False
9. The product of a rational number and an irrational number is always irrational.
True
False
10. Plot the following rational numbers on the number line below: -1/2, 0.75, 5/4
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