Similar or Not?
Perimeter or Area
Finding the Unknown
What's My Scale
Potpouri
100
Similar figures have the ____ _____, but not necessarily the ____ ____.
What is 'same shape' ; 'same size'.
100
If two figures are similar, then the ratio of their perimeters is _____ to the ratio of their ________ side lengths.
What is 'equal' , 'corresponding'.
100
Similar polygons, find the missing side length. A: length = 8 , width = 6 B: length = 20 , width = x
What is x = 15 units?
100
A scale without any units.
What is a scale factor?
100
Find the percent of change. Round to the nearest tenth of a percent. 24 feet to 30 feet.
What is 25% increase?
200
Triangle ABC is similar to triangle DEF. Name their corresponding sides.
What is AB ~ DE, BC ~ EF, AE ~ DF.
200
If two figures are similar, then the ratio of their areas is _____ to the ____ of the ratio of their ________ side lengths.
What is 'equal' , 'square' , 'corresponding'.
200
Similar polygons, find the missing side length. A: length = 15 , width = 9 B: length = x , width = 4
What is x = 6 2/3?
200
The ratio that compares the measurements of the drawing or model with the actual measurements.
What is a scale?
200
Find the percent of change. Round to the nearest tenth of a percent. 90 miles to 63 miles.
What is 30% decrease?
300
Rectangle A: Length = 6, Width = 3 Rectangle B: Length = 6 Width = 2
What is the rectangles are not proportional so they are not similar.
300
The ratio of the corresponding sides of two similar football tables is 10:7. The ratio of their perimeters is_____.
What is 10:7?
300
Similar polygons, find the missing side length. A: length = x , width = 9 B: length = 8 , width = 5
What is x = 14.4?
300
Find the missing dimension. Use the scale factor 1:12. Length: 6.25 in Width: ___ in
What is 75 inches?
300
Find the percent of change. Round to the nearest tenth of a percent. 150 liters to 86 liters.
What is 42.7% decrease?
400
Rectangle A: Length = 6, Width = 3 Rectangle C: Length = 4 Width = 2
What is the sides are proportional so they are similar.
400
The ratio of the corresponding sides of two similar football tables is 10:7. The ratio of their areas is_____.
What is 100:49?
400
The ratio of the side lengths of Square A to the side length of Square B is 4:9. The side length of Square A is 12 yards. What is the perimeter of Square B?
What is 108 yards?
400
Find the missing dimension. Use the scale factor 1:12. Length: ____ in Width: 15 ft
What is 15 inches?
400
530 cm = ____ m.
What is 5.3 m?
500
Rectangle A: Length = 11, Width = 8.5 Rectangle B: Length = 63 Width = 36
What is the rectangles are not similar.
500
Rhombus A is similar to Rhombus B. The area of Rhombus A is 36 square cm. The area of Rhombus B is 64 square cm. What is the ratio of (A to B) of their corresponding side lengths.
What is 3:4.
500
The ratio of the perimeter is 7:10. A: length = x B: length = 12 Find x.
What is x = 8.4?
500
Find the missing dimension. Use the scale factor 1:12. Diameter: ____ mm Diameter: 21 cm
What is 17.5 cm?
500
6.4 kg = ____ g.
What is 6400 g?
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