Multiplication and division of fractions.

 Lesson 12 

  Multiplication and Division of fractions


Objective: To compare and order fractional numbers through various interpretations, resources, and representations.

Keywords: Fractions, numerator, denominator, multiplication, division, factors, products.

Vocabulary

English

Spanish

 

 

 

1

Answer

Respuesta

2

Complete

Completar

3

Crosswise (multiply in crosswise)

En cruz (multiplicar en cruz)

4

Denominator

Denominador

5

Divide

Dividir

6

Division

División

7

Find

Encontrar

8

Multiply

Multiplicar

9

Multiplication

Multiplicación

10

Must

Deber

11

Numerator

Numerador

12

Pair

Parejas

13

Solve

Resuelve

14

Then

Luego

Lesson Plan Nº12 - English version

Lesson Plan Nº12 - Spanish version


Let’s learn about: Multiplication of fractions

To multiply fractions, we must multiply the numerators. Then, we multiply the denominators.

Examples: 

Another example:

Now, let’s learn about: Division of fractions.

To divide fractions, we must multiply the numerator with the denominator crosswise.

For example:


Step Nº 1: Multiply in crosswise

Step Nº 2: you have the answer


Let’s watch the following video




Let’s practice!

                   Activity Nº1

Complete the following crossword. Follow the instructions. 


                   Activity Nº 2

Find the product.


                   Activity Nº 3

Solve the following divisions.