Scale Factors

What is a common method taught in elementary and middle school for finding scale factors?

• Ant algorithm

• Butterfly method

• Dragonfly technique

• Caterpillar method

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

What algebraic operation is used to find the scale factor when given two corresponding sides of similar shapes?

• Addition

• Subtraction

• Division

• Multiplication

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

If a side of a smaller shape is 5 and its corresponding side in a larger shape is 20, what is the scale factor?

• 5

• 15

• 20

• 4

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

How do you verify if the calculated scale factor is correct using another pair of corresponding sides?

• Add the sides

• Multiply the sides

• Check by multiplying one side by the scale factor

• Subtract the sides

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What should you consider when choosing sides to calculate the scale factor?

• Choose the longest sides

• Choose the shortest sides

• Choose any sides as long as they correspond

• Choose non-corresponding sides

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

In a scenario where a side of 15 in one shape corresponds to a side of 9 in another, what is the likely scale factor?

• 6

• 15

• 0.6

• 1.67

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What is the correct approach to find a missing side if you know the scale factor?

• Subtract the scale factor from the known side

• Multiply the known side by the scale factor

• Add the scale factor to the known side

• Divide the known side by the scale factor

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

How can you check the logical consistency of your geometric calculations involving scale factors?

• Ensure the hypotenuse is the largest side

• Ensure the hypotenuse is the smallest side

• Ignore the size of the hypotenuse

• Assume all sides are equal

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

What should you do if the calculated scale factor makes the shape smaller?

• Recalculate using addition

• Check if the scale factor is less than one

• Multiply by a larger number

• None of the above

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

When dealing with overlapping shapes, what is crucial to finding the scale factor?

• Using any corresponding sides

• Ignoring the overlapping areas

• Only using the overlapping sides

• Focusing on non-overlapping parts

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2