Unit 1 Review 7th grade

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or space that is proportionally reduced or enlarged to fit on paper, using a specific scale (e.g., 1 unit = 10 ft).

Front

If a room has a perimeter of 150 ft, what would be the perimeter of a scale drawing with a scale of 1 unit to 10 ft?

Back

15 units.

Front

What does the equation d=4.5t represent in terms of distance and time?

Back

The equation represents the distance (d) Greg jogs in miles after jogging for t hours, where he runs 4.5 miles per hour.

Front

Is the statement 'For every 4.5 hours, Greg runs 1 mile' true or false?

Back

False.

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

Front

Does the equation d=4.5t represent a proportional relationship?

Back

Yes, it represents a proportional relationship.

Front

What is the constant of proportionality in the equation d=4.5t?

Back

The constant of proportionality is 4.5.

Front

How do you express the relationship between cans of soda (s) and ounces of pineapple juice (j) if 3/4 can of soda is used for every 12 ounces of juice?

Back

The equation is 3/4s = j.

Front

If Jane uses 3/4 can of soda for every 12 ounces of pineapple juice, how many ounces of juice correspond to 1 can of soda?

Back

16 ounces.

Front

What is the formula to find the perimeter of a rectangle?

Back

The formula is P = 2(length + width).