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4 cards from this section. Quick, good the night before a test.
Identify three rational numbers.
Think of fractions and whole numbers.
What is the closure property of rational numbers?
Consider if the result stays within rational numbers when performing operations.
What is a rational number?
Think about how different numbers can be represented.
Is addition commutative for rational numbers?
Recall examples of adding fractions in different orders.
If rational numbers a = 3/5, b = 2/3, and c = 1/4, use the distributive property to calculate a(b + c) and verify your answer.
Remember to first add b and c before multiplying by a.
Given two rational numbers, demonstrate the closure property by adding them and showing the result remains rational. Let the numbers be -1/2 and 3/4.
Find a common denominator for the addition.
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