Mastering Operations with Rational Numbers

Mastering Operations with Rational Numbers

Assessment

Interactive Video

Created by

Lucas Foster

Mathematics

6th - 10th Grade

Hard

03:16

This video tutorial covers the basic operations with rational numbers, including addition, subtraction, multiplication, and division of fractions. It explains the importance of having common denominators for addition and subtraction, and how to handle negative numbers in multiplication. The tutorial also describes how to convert division into multiplication by flipping the second fraction. Key differences between these operations are highlighted to aid understanding.

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10 questions

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1.

MULTIPLE CHOICE

30 sec • 1 pt

In the example 3/6 - 1/2, what is the first step to solve it?

2.

MULTIPLE CHOICE

30 sec • 1 pt

What must be true about the denominators when adding or subtracting fractions?

3.

MULTIPLE CHOICE

30 sec • 1 pt

How do you handle the denominators when subtracting fractions with different denominators?

4.

MULTIPLE CHOICE

30 sec • 1 pt

When multiplying fractions, what do you do with the numerators and denominators?

5.

MULTIPLE CHOICE

30 sec • 1 pt

What is the result of multiplying -3/6 by 1/2?

6.

MULTIPLE CHOICE

30 sec • 1 pt

What happens to the sign of the result when multiplying two negative fractions?

7.

MULTIPLE CHOICE

30 sec • 1 pt

What is the first step in dividing fractions?

8.

MULTIPLE CHOICE

30 sec • 1 pt

In the example 4/5 ÷ 2/3, what is the equivalent multiplication problem?

9.

MULTIPLE CHOICE

30 sec • 1 pt

What is the result of 4/5 ÷ 2/3?

10.

MULTIPLE CHOICE

30 sec • 1 pt

What must you do to the second fraction when dividing two fractions?

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