11/14 (math 7)

Front

What is the scale of a map if 3 cm represents 120 miles?

Back

The scale is 1 cm = 40 miles.

Tags

CCSS.7.RP.A.2C

Front

If a team wins 33 out of 55 games, what is their winning percentage?

Back

The winning percentage is 60%.

Front

How do you find the constant of proportionality in a proportional relationship?

Back

The constant of proportionality (k) can be found by dividing the output value by the input value (k = y/x).

Tags

CCSS.7.RP.A.2B

Front

What is the formula for the circumference of a circle?

Back

The formula for circumference (C) is C = 2πr, where r is the radius.

Tags

CCSS.7.G.B.4

Front

If a map scale is 3 cm = 120 miles, how many cm would represent 180 miles?

Back

4.5 cm.

Tags

CCSS.6.RP.A.3B

Front

What does it mean for two quantities to be proportional?

Back

Two quantities are proportional if they maintain a constant ratio to each other.

Tags

CCSS.7.RP.A.2A

Front

How can you determine the number of wins a team would have if they played a different number of games, based on their current win rate?

Back

Multiply the current win rate (as a fraction) by the new number of games played.

Tags

CCSS.6.RP.A.3B

Front

What is the relationship between the radius and circumference of a circle?

Back

The circumference is directly proportional to the radius; as the radius increases, the circumference increases.

Tags

CCSS.7.G.B.4

Front

What is the equation of a line that represents a proportional relationship?

Back

The equation is y = kx, where k is the constant of proportionality.

Tags

CCSS.7.RP.A.2C

Front

How do you convert miles to centimeters using a map scale?

Back

Use the scale to set up a proportion and solve for the unknown cm value.

Tags

CCSS.7.RP.A.2C