6.5A Ratio tables, scales, graphs

Front

What is a ratio table?

Back

A ratio table is a table that shows the relationship between two quantities, where the ratios of the quantities are constant.

Front

How do you determine the factor of change in a sequence of numbers?

Back

To determine the factor of change, divide each number by the previous number in the sequence.

Front

What is the scale in a model?

Back

The scale in a model is the ratio of a model's dimensions to the actual dimensions of the object it represents.

Front

How do you set up a proportion to find a missing value?

Back

To set up a proportion, create a fraction that compares two ratios and set it equal to another fraction that compares the corresponding ratios.

Front

What is the relationship between the number of eggs and cookies in a recipe?

Back

The relationship can be expressed as a ratio, where 3 eggs correspond to 45 cookies, simplifying to 1 egg for every 15 cookies.

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, some quantity.

Front

How can you represent a ratio using a table?

Back

You can represent a ratio using a table by listing pairs of values that maintain the same ratio.

Front

What is the purpose of using a model in real-life applications?

Back

Models are used to represent and simplify complex real-life situations, making them easier to understand and analyze.

Front

How do you convert a scale from inches to feet?

Back

To convert a scale from inches to feet, divide the number of inches by 12, since there are 12 inches in a foot.

Front

What is the formula for finding the total number of items based on a ratio?

Back

The formula is: Total items = (part/ratio) * total ratio.