Negative scale factors

In this lesson, we will learn about negative scale factors and explore the commutativity of multiplication.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Fill in the gap: Multiplication when viewed as scaling can be thought of as a ___________.

1/8

Q2.Fill in the gap: Looking at the diagram below we can use a ___________ to describe how much the number was scaled by.

2/8

Q3.Fill in the gap: In the diagram below the top arrow can be visualised as stretching -10 by a scale factor of_____.

3/8

Q4.Calculate the following product: 9 x (-12)

4/8

Q5.Calculate the following product: 0.5 x (-12)

5/8

Q6.Which calculation best represents the unlabelled arrow?

6/8

Q7.Which calculation best represents the unlabelled arrow.

7/8

Q8.Calculate: 3 x (-2) + 7 x (-3) - (-27)

8/8

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Fill in the gap: Multiplication when viewed as scaling can be thought of as a ___________.

1/8

Q2.Fill in the gap: Looking at the diagram below we can use a ___________ to describe how much the number was scaled by.

2/8

Q3.Fill in the gap: In the diagram below the top arrow can be visualised as stretching -10 by a scale factor of_____.

3/8

Q4.Calculate the following product: 9 x (-12)

4/8

Q5.Calculate the following product: 0.5 x (-12)

5/8

Q6.Which calculation best represents the unlabelled arrow?

6/8

Q7.Which calculation best represents the unlabelled arrow.

7/8

Q8.Calculate: 3 x (-2) + 7 x (-3) - (-27)

8/8

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Negative Scale Factors Quiz

Have a go at the questions below to show off what you know!

Q1.Which set of words fill in the gaps in order best? Multiplication by a negative _____________ can be visualised as a _________ in the _____________ direction.

1/7

Q2.Select the calculation that the red arrow represents in relation to the given arrow of 5 and state the scale factor

2/7

Q3.Which number completes the calculation: ____ x 7 = -21

3/7

Q4.Which number completes the calculation: (-5) x 2 = (-30) + ____

4/7

Q5.Calculate 7 x (-2)

5/7

Q6.Calculate 7 x (-1/2)

6/7

Q7.2 + (-4) x 3 =

7/7

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Negative Scale Factors Quiz

Have a go at the questions below to show off what you know!

Q1.Which set of words fill in the gaps in order best? Multiplication by a negative _____________ can be visualised as a _________ in the _____________ direction.

1/7

Q2.Select the calculation that the red arrow represents in relation to the given arrow of 5 and state the scale factor

2/7

Q3.Which number completes the calculation: ____ x 7 = -21

3/7

Q4.Which number completes the calculation: (-5) x 2 = (-30) + ____

4/7

Q5.Calculate 7 x (-2)

5/7

Q6.Calculate 7 x (-1/2)

6/7

Q7.2 + (-4) x 3 =

7/7

Lesson summary: Negative scale factors

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