(Review 1) 6G Math

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other. For example, the ratio of red to yellow marbles in a bag with 2 red and 5 yellow marbles is 2:5.

Front

How do you find the ratio of two quantities?

Back

To find the ratio of two quantities, divide each quantity by the greatest common factor (GCF) of both quantities. For example, for 2 red and 5 yellow marbles, the ratio is 2:5.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

Front

Use the distributive property to simplify: 2(c - 8). What is the result?

Back

The result is 2c - 16.

Front

What is the opposite of a number?

Back

The opposite of a number is the number that, when added to the original number, equals zero. For example, the opposite of -8 is 8.

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor, which is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number and identify the largest factor they have in common. For example, the GCF of 30 and 22 is 2.

Front

If blueberries cost $4.00 per pound, how many pounds can you buy for $13.00?

Back

You can buy 3.25 pounds of blueberries for $13.00.

Front

What is the formula to find the number of pounds you can buy given a price per pound?

Back

The formula is: Number of pounds = Total money available / Price per pound.

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value in mathematical expressions or equations, often denoted by letters like x, y, or c.