Explain what would happen to a figure if you transformed it using the given rule: (x+2, y-5)

The figure moves to the right 2 spaces and down 5 spaces

The figures width will stretch 2 times its size and the height will stretch 5 times it's size

The figures width will shrink 2 times its size and the height will shrink 5 times it's size

The figure moves to the left 2 spaces and up 5 spaces

Explain what would happen to a figure if you transformed it using the given rule: (2x, y+1)

The width will stretch 2 times it's size, the figure would moved up 1 unit

The width will stretch 2 times it's size, the figure would moved down 1 unit

The width will stay the same, the figure would move up 1 unit

Compare the perimeter of Triangle A to Triangle B

The perimeter of Triangle A is 1/2 the size of the perimeter of Triangle B

The perimeter of Triangle A is 2 times the size of the perimeter of Triangle B

The perimeter of Triangle A is 4 times the size of the perimeter of Triangle B

The perimeter of Triangle A is 1/4 the size of the perimeter of Triangle B

Compare the AREA of Triangle A to the area of Triangle B

The area of Triangle A is 1/4 the size of the area of Triangle B

The area of Triangle A is 2 times the size of the area of Triangle B

The area of Triangle A is 4 times the size of the area of Triangle B

The area of Triangle A is 1/2 the size of the area of Triangle B

Compare the perimeter of Triangle B to Triangle A

The perimeter of Triangle B is 2 times the size of the perimeter of Triangle A

The perimeter of Triangle B is 1/2 the size of the perimeter of Triangle A

The perimeter of Triangle B is 1/4 the size of the perimeter of Triangle A

The perimeter of Triangle B is 4 times the size of the perimeter of Triangle A

Compare the AREA of Triangle B to the area of Triangle A

The area of Triangle B is 4 times the size of the area of Triangle A

The area of Triangle B is 2 times the size of the area of Triangle A

The area of Triangle B is 16 times the size of the area of Triangle A

The area of Triangle B is 8 times the size of the area of Triangle A

Are the following similar? Why or why not?

No, the ratios of the corresponding sides are not equal.

No, the corresponding angles are not equal.

Tell whether the two figures are similar . Explain your reasoning.

Yes, similar because they are the same shape and side lengths are proportional.

No, not similar because they are the same shape, but side lengths are not proportional.

Tell whether the two figures are congruent .

No, same shape but different sizes

No, different size and different shapes

A rectangle has dimensions of 3 and 6. Another rectangle was drawn from it using a scale factor of 2. How does the area of the large rectangle compare to the area of the small rectangle?

The larger rectangle's area is 4 times the size of the smaller rectangle's area

The larger rectangle's area is 2 times the size of the smaller rectangle's area

The larger rectangle's area is 1/2 the size of the smaller rectangle's area

The larger rectangle's area is 1/4 the size of the smaller rectangle's area

Shrinking and Scaling

Authored by Barbara White

Mathematics

7th - 9th Grade

CCSS covered

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58 questions

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the scale factor if the triangle on the left is the original?

3/2

2/3

1/2

Tags

CCSS.7.G.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the scale factor is less than one, the new figure will be

an enlargement

a reduction

a scale factor

bigger

Tags

CCSS.8.G.A.3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the scale factor is greater than one, the new figure will be

a reduction

an enlargement

a scale

not proportional

Tags

CCSS.8.G.A.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the scale factor from ΔDEF to ΔABC?

1/2

7/3

10/3

Tags

CCSS.7.G.A.1

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the scale factor from ABCD to MNOP?

2/3

3/2

Tags

CCSS.7.G.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Robbie made a scale drawing of a neighborhood park. A soccer field in the park is 14 inches long in the drawing. The actual field is 98 yards long. What is the scale of the drawing?1 inch = _ yards

1372

Tags

CCSS.7.RP.A.2C

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Are these two rectangles similar?

Yes, there ratios are the same

no, there ratios are not equivalent

Tags

CCSS.HSG.SRT.B.5

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Shrinking and Scaling

What is the scale factor if the triangle on the left is the original?

If the scale factor is less than one, the new figure will be

If the scale factor is greater than one, the new figure will be

What is the scale factor from ΔDEF to ΔABC?

What is the scale factor from ABCD to MNOP?

Robbie made a scale drawing of a neighborhood park. A soccer field in the park is 14 inches long in the drawing. The actual field is 98 yards long. What is the scale of the drawing?1 inch = _ yards

Are these two rectangles similar?

Sides that are in the same position are called

The pair of figures is similar. Find the missing side.

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree. How tall is the tree?

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