Multiplying Decimal Numbers | Elementary | Primaire

Content code

m1657

Slug (identifier)

multiplying-decimal-numbers-elementary

Parent content

Decimal Numbers | Elementary

Grades

Grade 5

Grade 6

Topic

Mathematics

Content

Title (level 2)

5th and 6th Grade

Title slug (identifier)

fifth-grade-sixth-grade

Contenu

Corps

Multiply decimal numbers the same way as whole numbers.

To learn how to multiply whole numbers, see the Multiplying Numbers concept sheet.

Content

Corps

You must count the number of digits after the decimal point of each of the factors to figure out where to place the decimal point in the answer.

Content

Corps

2.53 × 3.1 = ?

Columns number

2 columns

Format

50% / 50%

First column

Corps

I write the multiplication in columns.

Second column

Image

Example of multiplying decimal numbers - 1

Columns number

2 columns

Format

50% / 50%

First column

Corps

I multiply the numbers without worrying about the decimal points.

Second column

Image

Example of multiplying decimal numbers - 2

Columns number

2 columns

Format

50% / 50%

First column

Corps

I count the number of digits after the decimal point in each of the factors.

This number indicates how many digits to put after the decimal point in the answer.

In this example, there are 3 digits.

Second column

Image

Example of multiplying decimal numbers - 3

Columns number

2 columns

Format

50% / 50%

First column

Corps

I place the decimal point in the answer.

For this example, I put 3 digits after the decimal point.

Second column

Image

Example of multiplying decimal numbers - 4

Corps

2.53 × 3.1 = 7.843

Video

How to Multiply Decimal Numbers (Grade 5-6)

Title (level 3)

Exercise - Multiplying Decimal Numbers

Title slug (identifier)

exercise

Exercice

Multiplying Decimal Numbers

Largeur de l'exercice

720

Hauteur de l'exercice

720

Contenu

Title