Multiplying Rational Numbers

Multiplying Rational Numbers

Assessment

Interactive Video

Mathematics, Information Technology (IT), Architecture

10th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

This video tutorial covers the multiplication of rational numbers, focusing on the similarities with integer multiplication. It reviews the multiplication properties of zero and identity, and explains the rules for multiplying rational numbers with the same and different signs. The tutorial includes practice problems with both fractions and decimals, emphasizing the importance of identifying common factors and correctly placing decimal points. The lesson concludes with a review of the rules and encourages viewers to apply these concepts to solve problems independently.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main objective of the lesson on multiplying rational numbers?

To understand the properties of division

To learn how to add rational numbers

To multiply rational numbers

To subtract rational numbers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the multiplication property of 0, what is the product of any number and 0?

A negative number

The number itself

Zero

One

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the identity property of multiplication state?

Any number multiplied by -1 is negative

Any number multiplied by 0 is 0

Any number multiplied by 1 is itself

Any number multiplied by 2 is doubled

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result when multiplying two rational numbers with the same sign?

A negative product

A positive product

The larger number

Zero

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When multiplying rational numbers with different signs, what is the product?

The smaller number

Zero

Negative

Positive

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the product of -1/3 and 2/7?

-2/21

2/21

1/21

-1/21

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you multiply -4.2 by -3, what is the result?

-12.6

7.2

12.6

-7.2

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