NC Check In 1 Review

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How do you find the amount needed based on a ratio?

Back

To find the amount needed based on a ratio, set up a proportion using the given ratio and solve for the unknown.

Front

What is the formula to calculate the Greatest Common Factor (GCF)?

Back

The GCF of two numbers is the largest number that divides both of them without leaving a remainder.

Front

What is the formula to calculate the Least Common Multiple (LCM)?

Back

The LCM of two numbers is the smallest number that is a multiple of both.

Front

How do you compare unit prices?

Back

To compare unit prices, divide the total price by the number of units to find the price per unit.

Front

What is the GCF of 88 and 48?

Back

The GCF of 88 and 48 is 8.

Front

What is the LCM of 12 and 15?

Back

The LCM of 12 and 15 is 60.

Front

How do you determine the best deal when comparing prices?

Back

Calculate the unit price for each option and compare them; the lower unit price is the better deal.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity of one.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply and then divide to find the unknown value.