# Big Ideas Math Geometry Student Journal Answer Key Chapter 9

## What is Big Ideas Math?

This is known to be a very popular Core Curriculum that has been set for Middle School and High School Mathematics. It was found to be written by Ron Larson and Laurie Boswell.

## What is the percentage of 260 that is 65?

To solve for the percentage of 260 that is 65, how can we calculate it?

## Big Ideas Math

Big Ideas Math is a widely used Core Curriculum designed for Middle School and High School Mathematics. The program was created by Ron Larson and Laurie Boswell to help students understand and apply mathematical concepts effectively.

## Calculation of Percentage of 260 that is 65

To calculate the percentage of 260 that is 65, we need to set up the equation as follows:

Percentage = (Value / Total Value) x 100

Percentage = (65 / 260) x 100

Percentage = 0.25 x 100

Percentage = 25%

Big Ideas Math is a comprehensive math program that aims to provide students with a strong foundation in mathematics. It covers a wide range of topics and exercises to enhance students' critical thinking and problem-solving skills. The program is designed to meet the needs of diverse learners and help them succeed in math.

When calculating the percentage of a number, we divide the given value by the total value and then multiply by 100 to get the percentage. In this case, to find the percentage of 260 that is 65, we divide 65 by 260 and then multiply by 100. The result is 25%, which means that 65 is 25% of 260.

Understanding percentages is essential in many real-world situations, such as calculating discounts, interest rates, and proportions. It is a fundamental concept in mathematics that is used in everyday life.