Similar Figures
Reciprocals
Unit Conversions
Scale Factor
Scale Factor 2
100

True or False: all circles are similar figures

true

100

Pairs of numbers that multiply to ....

1

100

12 inches = ____ ft

1 ft

100

10 inch : 50 feet

1 inch : ____ feet

10 inch : 50 feet

1 inch : 5 feet

100

Rose drew a scale drawing of an Italian restaurant. The restaurants's kitchen, which is 12 meters wide in real life, is 2 millimeters wide in the drawing. What is the scale of the drawing?

1 millimeter : _____ meters

1 millimeter : 6 meters

200

A rectangle has side lengths of 6 and 3. 

Is the rectangle with side lengths 12 and 6 similar?

yes! Scale factor k=2

200

What is the reciprocal of 1/4?

4

200

1/2 ft = ______ inches

6 in

200

12 inch : 24 miles

1 inch : ____ miles

12 inch : 24 miles

1 inch : 2 miles

200

Sam measured a summer camp and made a scale drawing. The volleyball court is 3 centimetres wide in the drawing. The actual volleyball court is 9 meters wide. What scale did Sam use for the drawing?

1 centimeter : _____ meters

1 centimeter : 3 meters

300

A rectangle has side lengths of 6 and 3. 

Is the rectangle with side lengths 2 and 1 similar?

Yes! Scale factor k=1/3

300

Reciprocal of 4/5

5/4

300

1 yard = _____ inches

36

300

The scale or Mary's drawing is  1 inch : 6 miles. If a road is 5 inches long in the drawing, how long is the road in real life?

30 miles

300

Uriel drew a scale drawing of a house and it's lot. The scale of the drawing was 1 inch : 6 feet. If the actual width of the porch is 18 ft, How wide is the porch in the drawing?

3 inches

400

A rectangle has side lengths of 6 and 3. 

Is the rectangle with side lengths 3 and 1.5 similar?

If yes, What is the scale factor?

Yes! Scale Factor k=1/2

400

Reciprocal of 9?

1/9

400

48 inches = ________ ft

4

400

The scale of Juan's drawing is  2 cm : 7 meters.  If a building is 49 meters tall in real life. How tall should it be in the drawing?

14 cm

400

Kevin drew a scale drawing of a boarding school. The scale of the drawing was 1 millimeter : 3 meters. A building at he school is 150 meters long in real life. How long is the building in the drawing.  

30 millimeters

500

Make a similar figure to the triangle with side lengths 3, 4, 5. 

answers may vary

500

Reciprocal of 3 1/2

2/7

500

1 meter = ________ mm

1000mm

500

If my scale is  1 in : 9 meters. How long should a 20 meter park be in my drawing?

20/9

500

Amy made a scale drawing of a theater. The stage in 5inches wide in the drawing. The actual stage is 20 feet wide. What is the scale fo the drawing?

1 inch : _____ feet

1 inch : 4 feet

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