Adding Rational Numbers: Algorithms and Number Lines

Adding Rational Numbers: Algorithms and Number Lines

Assessment

Interactive Video

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Quizizz Content

Mathematics

1st - 6th Grade

Hard

03:43

This video tutorial teaches how to add rational numbers using algorithms and number lines. It begins with an introduction to rational numbers, explaining that they can be expressed as fractions and include integers. The concept of absolute value is discussed, highlighting its role in determining the distance from zero on a number line. The tutorial then covers the rules for adding numbers with like signs, providing examples with both positive and negative numbers. Finally, it explains the algorithm for adding numbers with different signs, emphasizing the importance of absolute values and the number line in determining the result's sign.

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5 questions

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1.

OPEN ENDED

3 mins • 1 pt

What is a rational number and how can it be expressed?

2.

OPEN ENDED

3 mins • 1 pt

Explain the rule for adding two numbers with like signs.

3.

OPEN ENDED

3 mins • 1 pt

What is the algorithm for adding numbers with different signs?

4.

OPEN ENDED

3 mins • 1 pt

How do you determine the sign of the answer when adding numbers with different signs?

5.

OPEN ENDED

3 mins • 1 pt

Provide an example of adding two rational numbers and explain the process.