GO Math Chapter 2 Practice Flashcard

Front

What is the formula to calculate miles per gallon (MPG)?

Back

MPG = Total miles driven / Total gallons of gas used.

Front

If Jessie needs to save a total of $3,145 over 37 weeks, how do you calculate the amount he should save each week?

Back

Divide the total amount needed by the number of weeks: $3,145 ÷ 37.

Front

How do you determine the number of tables needed for a dinner party if you know the total number of guests and how many can sit at each table?

Back

Divide the total number of guests by the number of seats per table and round up if necessary.

Front

What is the process to estimate a division problem using compatible numbers?

Back

Round the numbers to the nearest values that are easy to divide.

Front

What is the first step in solving a division problem like 2,430 ÷ 30?

Back

Estimate the quotient by simplifying the numbers to compatible values.

Front

How do you find the quotient of two numbers?

Back

Divide the numerator by the denominator.

Front

What is the significance of compatible numbers in estimation?

Back

Compatible numbers make it easier to perform mental calculations and get a close estimate.

Front

What is the relationship between division and multiplication in solving application problems?

Back

Division is the inverse operation of multiplication; knowing one helps to understand the other.

Front

How can you check your answer after performing a division?

Back

Multiply the quotient by the divisor to see if it equals the dividend.

Front

What is the importance of rounding in estimation?

Back

Rounding simplifies calculations and helps to quickly assess the reasonableness of an answer.