Grade 12 Rational Number Operations
A Grade 12 math worksheet focusing on operations with rational numbers, including addition, subtraction, multiplication, and division, with real-world applications.
Includes
Standards
Topics
Rational Number Operations
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Date:
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Read each question carefully and perform the indicated operations with rational numbers. Simplify all answers to their lowest terms.
1. What is the sum of -3/4 and 1/6?
-7/12
-1/2
5/12
7/12
2. Evaluate the product of 2 1/2 and -1/5.
-1/2
1/2
-5/2
5/2
3. The reciprocal of -4/7 is .
4. When dividing rational numbers, you multiply by the of the divisor.
5. A recipe calls for 3/4 cup of sugar. If you want to make 2/3 of the recipe, how much sugar do you need? Show your work.
6. The sum of two rational numbers is always a rational number.
True
False
7. The product of a non-zero rational number and its reciprocal is 1.
True
False
8. A submarine is at a depth of -25.5 meters. It then ascends by 10 1/4 meters. What is its new depth? Represent your answer as a rational number.
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