Arithmetic Operators

Part of the Fundamentals section of Coddy's Dart journey — lesson 16 of 94.

Arithmetic operators in Dart perform mathematical calculations: addition (+), subtraction (-), multiplication (*), and division (/).

void main() {
  int num1 = 10;
  int num2 = 5;
  int sum = num1 + num2;
  
  print('Sum: $num1 + $num2 = $sum');
}

void main() {
  int num1 = 10;
  int num2 = 5;
  int difference = num1 - num2;
  
  print('Difference: $num1 - $num2 = $difference');
}

void main() {
  int num1 = 10;
  int num2 = 5;
  int product = num1 * num2;
  
  print('Product: $num1 * $num2 = $product');
}

void main() {
  int num1 = 10;
  int num2 = 5;
  double quotient = num1 / num2;
  
  print('Quotient: $num1 / $num2 = $quotient');
}

void main() {
  int intValue = 5;
  double doubleValue = 2.5;
  double result = intValue + doubleValue;
  
  print('$intValue + $doubleValue = $result');
}

Challenge

Beginner

Create a Dart program that performs basic arithmetic operations:

Declare an integer variable named num1 with a value of 10
Declare an integer variable named num2 with a value of 5
Calculate and store the following operations in appropriately named variables:

The sum of num1 and num2 (store in sum)
The difference when num2 is subtracted from num1 (store in difference)
The product of num1 and num2 (store in product)
The result when num1 is divided by num2 (store in quotient as a double)

Print each result with the EXACT following format:

Sum: 15
Difference: 5
Product: 50
Quotient: 2.0

Your output must match this exact format.

Cheat sheet

Dart supports four basic arithmetic operators:

+ for addition
- for subtraction
* for multiplication
/ for division

int num1 = 10;
int num2 = 5;
int sum = num1 + num2;        // 15
int difference = num1 - num2;  // 5
int product = num1 * num2;     // 50
double quotient = num1 / num2; // 2.0

You can mix int and double types in arithmetic operations:

int intValue = 5;
double doubleValue = 2.5;
double result = intValue + doubleValue; // 7.5

Try it yourself

void main() {
  // Declare your variables here
  int num1 = ?;
  int num2 = ?;
  
  // Perform arithmetic operations
  int sum = ?;
  int difference = ?;
  int product = ?;
  double quotient = ?;
  
  // Print the results
  print("Sum: $sum");
  print("Difference: $difference");
  print("Product: $product");
  print("Quotient: $quotient");
}