IXL | Multiples of unit fractions: find the missing numbers

Complete the multiplication sentence.

ref_doc_title.

Learn with an example

question

Complete the multiplication sentence.

key idea

A fraction can always be written as the product of a whole number and a unit fraction.

A unit fraction has a numerator of 1. It represents one of the equal parts in a model. For example, when a model has 4 equal parts, each part represents the unit fraction

solution

The fraction

can be written as the product of a whole number and the unit fraction

To write the product, it can help to make a model of

The denominator of

is 3. Start with a model that has 3 equal parts.

Each part is

How many parts of this size do you need to make

You need 2 parts. So, 2 parts of size

makes

2 3	=	2	×	1 3

		Number of shaded parts (whole number)		Size of each part (unit fraction)

Looking for more? Try these:

Lesson: Multiplying fractions and whole numbers

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Teacher tools

Work it out

Not feeling ready yet? These can help:

V.1Multiply unit fractions by whole numbers using models

V.2Multiply unit fractions by whole numbers using number lines

Lesson: Multiplying fractions and whole numbers

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