Recognizing Rational Numbers

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Objective

I can identify rational numbers and explain whether their decimal form repeats or terminates.

Part 1 of 3

Warm-up video

Khan Academy · 5:47Vetted channel

We don't generate video — this one is by Khan Academy on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

4 questions

1

Explain in your own words what makes a number a rational number. Give an example of a rational number and explain why it fits the definition.

2

Decide whether each decimal terminates or repeats: a) 0.25 b) 0.333... c) 1.75 d) 2.1666... For each, explain how you know if it terminates or repeats.

Part 3 of 3

Exit ticket

Quick comprehension check

Is the number 3.14 a rational number? Does its decimal form repeat or terminate? Is the number 0.666... (repeating) a rational number? Does its decimal form repeat or terminate?

Sample answer included in the free materials

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