7th Grade Math field day

Front

What is the formula to find the circumference of a circle?

Back

Circumference = 2πr, where r is the radius.

Front

What is the equation to find the total cost of renting a paddle boat?

Back

Total Cost = Deposit + (Hourly Rate × Hours) or C = 15 + 2h.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation.

Front

What is the mode in a set of numbers?

Back

The mode is the number that appears most frequently in a data set.

Front

How do you calculate the average speed?

Back

Average Speed = Total Distance / Total Time.

Front

What is the first step to solve the equation 6n + 4 = -26?

Back

Subtract 4 from both sides: 6n = -30.

Front

What does it mean to solve for a variable?

Back

To solve for a variable means to find its value that makes the equation true.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place over the original denominator.

Front

What is the relationship between hours and total cost in the paddle boat rental problem?

Back

Total cost increases by $2 for each additional hour rented.

Front

What is the significance of the number of laps walked in a given time?

Back

It helps determine the rate of speed or pace.