What's the Scale?
Vocabulary
X =
Which is the Scaled Copy?
Keys & Scales
100

The scale factor from triangle DEF to triangle D`E`F`is ...

What is 1.5 cm?

100

It's the definition of scale factor?

 The number by which every side length in an original figure is multiplied (increased or decreased)to create a scaled copy?

100

The value of the unknown side length x is ...

What is x = 2.5?

100

A triangle has the side lengths of 2, 4, 7. Of the following, which side lengths below would create a scaled copy...

1, 2, 3           1.5, 3, 5.25            2.5, 5, 8.5

What is 1.5, 3, 5.25?

100

A map has a scale of 2 cm = 15 miles. A trip will be 7 cm on the map, the actual distance will be ...

What is 52.5 miles?

200

The scale factor from triangle NQB to triangle N`Q`B` is...

What is 1.25cm?

200

What is the same thing as a scale factor?

Constand of Proportionality

200

The value of the unknown side length x is ...

What is x = 7?

200

A triangle has the side lengths of 8, 9, 15. Of the following, which side lengths below would create a scaled copy...

16, 18, 25            16, 15, 30            16, 18, 30

What is 6, 18, 30?

200

A blueprint has a scale of 2 cm = 6 feet. A house is 30 feet wide, the blueprint will be this distance in centimeters ...

What is 10 cm?

300

The scale factor from triangle NPW to triangle N`P`W`is ...

What is 1/4 cm?

300

for two shapes to be similar they must be

the same shape, different sizes

300

The value of the unknown side length ? is ...

What is ? = 20?

300

A triangle has the side lengths of 4, 5, 6. Of the following, which side lengths below would create a scaled copy...

1, 1.25, 7.5        5, 6.25, 7.5         2, 2.5, 3.25

What is  5, 6.25, 7.5?

300

The scale of a rectangle is 9 inches wide and 11 inches long. If the actual width is 36, then the actual area will be ... 

What is 1,584 sq. in?

400

The scale factor from quadrilateral ABCD to quadrilateral A`B`C`D` is ...

What is 2 cm?

400

When we set up fractions to solve scale problems we are using _____________ to solve

proporitons

400

The value of the unknown side length ? is ...

What is ? = 7.2?

400

A triangle has the side lengths of 8, 12, 22. Of the following, which side lengths below would create a scaled copy...

4, 6, 11           6, 9, 16          12, 17, 30

What is 4, 6, 11?

400

A rectangle is drawn below on the grid. If a scale factor of 1/2 is applied, the perimeter of the copy is ....


What is 9 units?