BrightChamps Logo
Login
Creative Math Ideas Image
Live Math Learners Count Icon158 Learners

Last updated on May 26th, 2025

Math Whiteboard Illustration

3 1/2% as a Decimal

Professor Greenline Explaining Math Concepts

Understanding decimal conversion is essential in mathematics. We must first be familiar with percentages and decimals. A percentage represents a part of 100. A decimal is a way to express numbers that are not whole, using a decimal point (.) to separate the whole part from the fractional part. The numbers to the left of the decimal point represent the whole, and those to the right represent the fractional part.

3 1/2% as a Decimal for Thai Students
Professor Greenline from BrightChamps

What is 3 1/2% as a decimal?

 

3 1/2% as a decimal

 

Answer:

 

3 1/2% as a decimal can be written as 0.035.

 

Explanation:

 

To convert 3 1/2% to a decimal, we first convert the mixed number to an improper fraction. 3 1/2 is equivalent to 7/2. Then, to convert this percentage to a decimal, divide the fraction by 100, since percent means per hundred. Let's break it down step by step:

 

Step 1: Convert the mixed number to an improper fraction. 3 1/2 = 7/2.

 

Step 2: Convert the percentage to a fraction over 100. So, (7/2)% = (7/2) / 100.

 

Step 3: Simplify (7/2) / 100 to 7/200.

 

Step 4: Divide 7 by 200 to convert the fraction to a decimal.

 

Step 5: 7 ÷ 200 = 0.035. Thus, 3 1/2% as a decimal is 0.035.

Professor Greenline from BrightChamps

Important Glossaries for 3 1/2% as a decimal

  • Percentage: A fraction or ratio expressed as part of 100.

 

  • Decimal: A number format that uses a base of ten and includes a decimal point to separate the whole part from the fractional part.

 

  • Mixed Number: A whole number and a fraction combined into one "mixed" number.

 

  • Improper Fraction: A fraction where the numerator is greater than or equal to the denominator.

 

  • Fraction: A numerical quantity representing a part of a whole.
Professor Greenline from BrightChamps

About BrightChamps in Thailand

At BrightChamps, math questions go beyond simple problems—they open the door to endless opportunities! Our goal is to help children throughout Thailand master important skills, such as today’s focus on the 3 1/2% as a Decimal, with a special focus on decimal conversions—in a way that’s engaging, fun, and simple to follow. Whether your child is calculating the speed of a roller coaster at Dream World, tracking scores at a local football match, or managing their allowance to buy the latest gadgets, solid math skills give them the confidence to handle everyday tasks. Our lessons are designed to be interactive and enjoyable. Because children in Thailand have different learning styles, we customize our teaching to suit each one. From the busy streets of Bangkok to the tropical islands of Phuket, BrightChamps brings math to life, making it relatable and exciting across Thailand. Let’s make decimal conversions a fun part of every child’s math journey!
INDONESIA - Axa Tower 45th floor, JL prof. Dr Satrio Kav. 18, Kel. Karet Kuningan, Kec. Setiabudi, Kota Adm. Jakarta Selatan, Prov. DKI Jakarta
INDIA - H.No. 8-2-699/1, SyNo. 346, Rd No. 12, Banjara Hills, Hyderabad, Telangana - 500034
SINGAPORE - 60 Paya Lebar Road #05-16, Paya Lebar Square, Singapore (409051)
USA - 251, Little Falls Drive, Wilmington, Delaware 19808
VIETNAM (Office 1) - Hung Vuong Building, 670 Ba Thang Hai, ward 14, district 10, Ho Chi Minh City
VIETNAM (Office 2) - 143 Nguyễn Thị Thập, Khu đô thị Him Lam, Quận 7, Thành phố Hồ Chí Minh 700000, Vietnam
Dubai - BrightChamps, 8W building 5th Floor, DAFZ, Dubai, United Arab Emirates
UK - Ground floor, Redwood House, Brotherswood Court, Almondsbury Business Park, Bristol, BS32 4QW, United Kingdom