Scaled Area
Scaled Perimeter
Features of Scaled Copies
Reciprocals
100

If the original rectangle is 10ft by 8ft, what will the new area be if scaled by 2 ?

320 ft squared


100

If the original rectangle is 10ft by 8ft, what will the new perimeter be if scaled by 2 ?

72 ft


100

When scaling a shape, what happens to the angles?

They do not change

100

Multiplying by 1/3 is the same as dividing by...

3

200

If an original triangle has a base of 6.2cm and a height of 4cm, what will the new area be if scaled by 3?

111.6cm squared

200

If an original triangle has a base of 6cm, a height of 4cm, and a hypotenuse of 2cm, what will the new perimeter be if scaled by 3?

36 cm


200

When scaling a shape, what happens to the segment lengths?

They get smaller, larger, or stay the same

200

Dividing by 6 is the same thing as multiplying by...

1/6

300

If an original rectangle is 18cm by 14cm, what will the new area be if scaled by 1/2?

63 cm squared


300

If an original rectangle is 18cm by 14cm, what will the new perimeter be if scaled by 1/2?

32 cm


300

How do I find how many times larger a new area is than an original area?

Find the scale factor squared
300

Multiplying by 1/2 is the same as dividing by...

2

400

If an original rectangle is 6km by 15km, what will the new area be if scaled by 1/3?

15km squared


400

If an original rectangle is 6km by 15km, what will the new perimeter be if scaled by 1/3?

14 km


400

When a scaled copy gets larger, the scale factor is _________

Greater than 1


400

Dividing by 7 is the same thing as multiplying by..

1/7

500

If an original triangle has a base of 8cm and a height of 6cm, what will the new area be if scaled by 4?

384 cm squared


500

If an original triangle has a base of 8cm, a height of 6cm, and a hypotenuse of 7cm, what will the new perimeter be if scaled by 4?

84 cm

500

When a scale copy stays the same, the scale factor is_______

Equal to one


500
What is the reciprocal for 8?

1/8