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C.O.P.
Area of Shapes
Angles & Triangles
Scale Drawings
Unit Rates
100

What is the formula for C.O.P?

y= kx

100
A square has one side measuring 5 feet. What is its area?
25 square feet
100

Angles that add up to 90 degrees.

Complementary Angles

100

What does a Scale Factor of 2 mean?

It means that the copy image is 2x bigger than the original image.

100

If a bus can travel 100 miles in 2 hours, how far can the bud drive in 1 hour?

50 miles per 1 hour

200

What is the C.O.P. in the following equation:

y=13x

13

200
A triangle has a base of 6 inches and a height of 9 inches. What is its area?
27 square inches
200

Angles that are directly across from each other and are equal to each other.

Vertical

200

What does a Scale Factor of 1/2 mean?

It means the copy image is 1/2 the size of the original image.

200

It takes 18yds of fabric to make 12 scarves, how much fabric would be used for each scarf?

It would use 1.5yds per scarf.

300

If the Constant of Proportionality is 5, write the C.O.P. equation.

y=5x

300
What is the area of a rectangle whose given side lengths are 8 cm and 12 cm?
96 square cm
300

Angles that add up to 180 degrees.

Supplementary Angles

300

An original rectangle has dimensions of 3in by 6in. What are the new dimensions of the rectangle copy using a scale factor of 3?

The copy rectangle will be 9in by 18in.

300

A runner can sprint 73.5 meters in 10.5 seconds, how fast is she running in meters per second?

She is running 7 meters per 1 second.

400

What is the C.O.P. is this set of values?

x         y

1         7

2         14

3         21

The C.O.P. is 7.

400
What is the area of a cube with faces equal to 3cm by 3cm?
54 square cm
400

Possible side lengths of a triangle include:

4, 9, 7

Can this form a triangle?

Yes, because the sum of the 2 smaller sides are greater than the 3rd largest side.

400

An original rectangular image has the dimensions of 21ft by 24ft. Using a scale factor of 1/3, what are the new dimensions of the rectangular image copy?

The new rectangular image dimensions would be 7ft by 8ft.

400

John can bake 42 pies in 6 hours. How many pies can he make in 12 hours?

John can make 84 pies in 12 hours.

500

Do these set of values have a proportional relationship?

x          y

3          6

5          10

7          15

No, because 7x2 is not 15.

500
What is the area of a circle whose diameter is 12cm?
113.04 cm squared
500

A triangle has angles measuring 30 degrees and 40 degrees. What is the measure of the third angle?

110 degrees

500

A drawing of a rectangular garden is 5in by 10in. Using a scale of 1in to 3ft, what are the dimensions of the actual park?

The actual garden dimensions would be 15ft by 30ft.

500

Last week Bill earned $210 for a 30-hour week. What was his pay rate? 

Bill is earning $7/hour