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.

Tags

CCSS.5.OA.B.3

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.

Tags

CCSS.7.RP.A.2C

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.

Tags

CCSS.7.RP.A.2C

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.

Tags

CCSS.7.RP.A.2D

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.