Math Unit 3 Review (5.3A, 5.3B, 5.3E, 5.4A, 5.4B)

Front

What is the formula to calculate the total distance run over a period of days?

Back

Total Distance = Distance per Day × Number of Days

Front

If a shirt costs $16.89, how much do 3 shirts cost?

Back

Total Cost = 3 × $16.89 = $50.67

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors.

Front

How do you estimate the total cost of multiple items?

Back

Round the prices to the nearest whole number, then multiply and add.

Front

What is the total production of a company that makes 625 items each day over 31 days?

Back

Total Production = 625 × 31 = 19,375 items.

Front

How do you compare the lengths of days on different planets?

Back

Divide the length of a day on one planet by the length of a day on another planet.

Front

What is the significance of the number of factors in determining if a number is prime or composite?

Back

A prime number has exactly two factors (1 and itself), while a composite number has more than two factors.

Front

What is the best way to estimate how much more money is needed for a purchase?

Back

Calculate the total cost and subtract the amount of money available.

Front

What is the relationship between the number of days and total distance in running?

Back

The total distance is directly proportional to the number of days run.