IXL | Multiples of fractions: find the missing numbers

Complete the multiplication sentence.

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Learn with an example

question

Complete the multiplication sentence.

key idea

A multiplication expression with a fraction can always be rewritten as a whole number times 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 expression

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

To do so, it can be helpful to draw 2 models of

Each equal part of the models shows

There are a total of 6 shaded parts.

Show the 6 shaded parts together.

Write this using multiplication:

2	×	3 8	=	6	×	1 8

				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:

N.2Multiply fractions by whole numbers using models: complete the equation

N.3Multiply fractions by whole numbers using number lines

V.3Multiples of unit fractions: find the missing numbers

Lesson: Multiplying fractions and whole numbers

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