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Definitions
Diagrams
Word Problems
Extend Questions
Simple Problems
100
1.An increase in the dimensions of an object by a constant factor.The_________ can be 3D or 2D. WORD BANK Resmallment, Reduction,Enlargement,Increase,Scalefactor
What is the Enlargement
100
This is a picture of a bug. The scale was 1:14. What is this called? (hint: It has diagram in the word)
What is scale diagram.
100
A Ukranian decorated egg is called a pysanka. A giant version of a pysanka is located in Vegreville, Alberta. The length of the egg is 9.4m. On a scale diagram of the pysanka, what would the length be, if you used a scale of 1:150. Round to the nearest tenth of a centimeter.
What is 6.3cm
100
Tracy took a picture of a wind turbine at the wind farm in Cowley Ridge, Alberta the height of the turbine is 45m in the picture it is 2.5cm A)what scale factor was used to make this reduction?
What is 1/1800
100
An actual CD case measures 14.3cm Determine the scale factor used to create the image if the image is 2.2 cm answer to the nearest hundredth
What is 0.15
200
A decrease in the dimensions of an object by a constant factor.The _________ can be 3D or 2D WORD BANK Subtraction.Addition,Multiplication,Reduction,MATH!!
What is Reduction For Example
200
WORD BANK: Proportion,Similar, Polygon, Scale Factor,
What is proportion.
200
For the science fair, Leanne plans to build a scale model of a communications tower that is actually 250m in height. The model has to fit in the foyer of the the school which has a roof to ceiling height of 3m. If leanne uses a scale of 1:100, will it fit into the foyer? If so, how much space will the model have to spare?
What is yes. 0.5m to spare.
200
Elk Valley Coal uses trucks such as the one shown. The man in the picture is 1.69 m
200
The scale for an image of a tower is 1cm represents 12.5m.If the actual tower measures 108.75m in length ,what is its height on the drawing
What is 8.7 cm tall
300
A comparison between an actual size of an object and the size of its image.This can be expressed as: a ratio, a fraction, a percent, in words,or in a diagram WORD BANK Scale,Scale factor, Scale Diagram, Sample, Comparison
What is Scale For Example a scale of 1 cm:50 km on a map means that 1 cm on the map represents 50 km in real life.
300
WORD BANK: Enlargment, Reduce, Reduction, Reuse, Small
What is reduction.
300
A model train is a scale model created from actually measurements. The scale factor for a HO or Half Zero model trains is 1:87. A typical engine is 50mm height and 200mm length. What is the actual dimensions of the original train engine in meters?
The length is 17.4m and the length is 4.35m.
300
A flagpole in front of city hall is 5.5 m tall. If the height of a model of the flagpole is 6.5 cm, what is the scale factor of the model? Express your answer to the nearest hundreth.
What is 0.01
300
A highway is 600km in length.If the length of the highway on a map is 6cm what is the scale factor 1km=100 000cm
What is 0.01
400
YOU HAVE TO GET BOTH ANSWERS CORRECT FOR POINTS 1.The constant factor by which all dimensions of an object are enlarged or reduced in a scale drawing 2.A diagram that is similar to the actual figure or object. It may be smaller or larger than actual object, but must be in the same proportions.
What is Scale Factor and Scale Diagram 1.Example the dimensions of a 3x3 square is enlarged by 2 the dimensions are now 6x6
400
This is a diagram of what 3 key words?
What is corresponding angles, corresponding sides, and similar (polygons).
400
Given that triangle ABC is similar to triangle KLM, What is the side length of segment IG? pg 161 question 15
What is 3
400
Charlie wants to make a table out of wood and stain the top. He is using a picture with a scale factor of 4:1. The length of the table in the picture is 4cm. The width is 1/4 of the length then multiplied by 8. The height is 2cm. If 1 bucket of stain covers 1.2m2, how many buckets are needed?
What is 4. (you cannot have 3.2 buckets of stain)
400
The sides of one quadrilateral measure 3 cm, 9 cm, 12 cm, and x. The corresponding sides of a similar quadrilateral measure 2.25 cm, 6.75 cm, 9 cm, and 13.5 cm. What is the value of x?
What is 18.
500
YOU HAVE TO GET BOTH ANSWERS CORRECT FOR POINTS 1.Figures that have the same shape but different size they have equal corresponding angles and proportional corresponding sides. 2.A 2 Dimensional closed figure made of 3 or more line segments
What is Similar Figures and Polygon. For example:
500
What is the scale factor?
What is 1:10
500
If the person on the right is 167 cm tall, how tall is the dump truck in kilometers?
What is 0.00668 km.
500
Elk Valley Coal uses trucks such as the one shown. The man in the picture is 1.69 m tall. a) What is the height of the wheel of the truck? b) What is the height of the truck?
a) What is 2.6 m b) What is 5.6 m b) What is 5.2 m
500
DOUBLE JEOPARDY!!! Pick an amount to wager, and if you get the question right, you get the amount wagered, but if you answer incorrectly, you lose the amount wagered. (The answer is with the creator)
If triangle A has angles of 40, 90 and x, with line lengths of 8 cm, 10 cm, and 23cm and Triangle B has angles 40, 50 and x with line lengths of 20 cm , 15cm and 57 cm?. Are these triangles similar?